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aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
1 <!DOCTYPE html>
2 <html data-require="math word-problems">
3 <head>
65eec09c » spicyj
2012-01-04 Content-Type meta tag for libxml2 compatibility
4 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
5 <title>Arithmetic word problems 1</title>
6 <script src="../khan-exercise.js"></script>
7 </head>
8 <body>
9 <div class="exercise">
10 <div class="vars">
11 <var id="TOTAL">randRange( 10, 100 )</var>
12 <var id="NUM1">randRange( 1, TOTAL - 1 )</var>
13 <var id="NUM2">TOTAL - NUM1</var>
14 </div>
15
16 <div class="problems">
17
18 <div id="take-away-result">
19 <p class="problem">
34c5e9ba » jpulgarin
2011-10-21 Clearer wording for question (fix #4707)
20 Before the previous stop there <var>plural('was', TOTAL)</var> <var>plural(TOTAL, 'person')</var> riding on a train.
21 <var>plural(NUM2, 'person')</var> ended up getting off at the stop.
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
22 </p>
23 <p class="question">
24 How many people are riding the train now?
25 </p>
a5ae1545 » sundars
2011-10-13 Updating word problem answers to include units/labels
26 <div class="solution" data-type="multiple">
27 <span style="padding-right: 5px" class="sol" data-forms="integer"><var>NUM1</var></span> people
28 </div>
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
29 <div class="hints">
30 <p>
31 The number riding the train now is the difference between the number who were riding and the number who got off at the previous stop.
32 </p>
33 <p>
34 The difference is <code><var>TOTAL</var> - <var>NUM2</var></code> <var>plural('person')</var> on the train.
35 </p>
36 <p>
1af12d9e » marcia
2011-08-31 Add a few missing singular/plural distinctions
37 <code><var>TOTAL</var> - <var>NUM2</var> = <var>NUM1</var></code> <var>plural('person', NUM1)</var> <var>plural('is', NUM1)</var> on the train.
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
38 </p>
39 </div>
40 </div>
41
42 <div id="take-away-start">
43 <p class="problem">
44 There <var>plural('is', NUM1)</var> <var>plural(NUM1, 'person')</var> riding on a train.
6f928c3f » marcia
2011-08-26 Change awp1 to accept integer forms only
45 At the previous stop, <var>plural(NUM2, 'person')</var> got off.
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
46 </p>
47 <p class="question">
48 How many people were riding the train before the stop?
49 </p>
a5ae1545 » sundars
2011-10-13 Updating word problem answers to include units/labels
50 <div class="solution" data-type="multiple">
51 <span style="padding-right: 5px" class="sol" data-forms="integer"><var>TOTAL</var></span> people
52 </div>
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
53 <div class="hints">
54 <p>
55 The number riding the train before the stop is the sum of the number who are riding now and the number who got off at the previous stop.
56 </p>
57 <p>
58 The sum is <code><var>NUM1</var> + <var>NUM2</var></code> <var>plural('person')</var> on the train.
59 </p>
60 <p>
1af12d9e » marcia
2011-08-31 Add a few missing singular/plural distinctions
61 <code><var>NUM1</var> + <var>NUM2</var> = <var>TOTAL</var></code> <var>plural('person')</var> <var>plural('is', TOTAL)</var> on the train.
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
62 </p>
63 </div>
64 </div>
65
66 <div id="take-away-change">
67 <p class="problem">
f353e080 » spicyj
2011-08-26 Reword AWP1; fix #1735
68 There <var>plural('was', TOTAL)</var> <var>plural(TOTAL, 'person')</var> riding on a train before it stopped and some number of people got off.
4f27836d » spicyj
2011-09-02 AWP1 wording tweak, fix #2085
69 Now there <var>plural('is', NUM2)</var> <var>plural(NUM2, 'person')</var> riding on the train.
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
70 </p>
71 <p class="question">
72 How many people got off the train at the stop?
73 </p>
a5ae1545 » sundars
2011-10-13 Updating word problem answers to include units/labels
74 <div class="solution" data-type="multiple">
75 <span style="padding-right: 5px" class="sol" data-forms="integer"><var>NUM1</var></span> people
76 </div>
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
77 <div class="hints">
78 <p>
79 The number of people who got off is the difference between the number who were riding before and the number who are riding now.
80 </p>
81 <p>
82 The difference is <code><var>TOTAL</var> - <var>NUM2</var></code> <var>plural('person')</var>.
83 </p>
84 <p>
4f27836d » spicyj
2011-09-02 AWP1 wording tweak, fix #2085
85 <code><var>TOTAL</var> - <var>NUM2</var> = <var>NUM1</var></code> <var>plural('person', NUM1)</var> got off.
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
86 </p>
87 </div>
88 </div>
89
90 <div id="put-together">
91 <p class="problem">
92 There <var>plural('is', NUM1)</var> <var>plural(NUM1, 'tree')</var> on the right bank of a river and <var>plural(NUM2, 'tree')</var> on the left bank.
93 </p>
94 <p class="question">
95 How many trees are on the banks of the river?
96 </p>
a5ae1545 » sundars
2011-10-13 Updating word problem answers to include units/labels
97 <div class="solution" data-type="multiple">
98 <span style="padding-right: 5px" class="sol" data-forms="integer"><var>TOTAL</var></span> trees
99 </div>
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
100 <div class="hints">
101 <p>
102 The total number of trees on the two banks of the river is the sum of the number of trees on the left bank and the number of trees on the right bank.
103 </p>
104 <p>
105 The sum is <code><var>NUM1</var> + <var>NUM2</var></code> <var>plural('tree')</var>.
106 </p>
107 <p>
108 <code><var>NUM1</var> + <var>NUM2</var> = <var>TOTAL</var></code> <var>plural('tree')</var>.
109 </p>
110 </div>
111 </div>
112
113 <div id="take-apart">
114 <p class="problem">
115 There <var>plural('is', TOTAL)</var> <var>plural(TOTAL, 'tree')</var> on the banks of the river. The <var>side(1)</var> bank has <var>NUM2</var> of them.
116 </p>
117 <p class="question">
118 How many trees are on the <var>side(2)</var> bank of the river?
119 </p>
a5ae1545 » sundars
2011-10-13 Updating word problem answers to include units/labels
120 <div class="solution" data-type="multiple">
121 <span style="padding-right: 5px" class="sol" data-forms="integer"><var>NUM1</var></span> trees
122 </div>
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
123 <div class="hints">
124 <p>
125 The number of trees on the <var>side(2)</var> bank of the river is the difference between the number of trees on both banks of the river and the number of trees on the <var>side(1)</var> bank.
126 </p>
127 <p>
128 The difference is <code><var>TOTAL</var> - <var>NUM2</var></code> <var>plural('tree')</var>.
129 </p>
130 <p>
1af12d9e » marcia
2011-08-31 Add a few missing singular/plural distinctions
131 <code><var>TOTAL</var> - <var>NUM2</var> = <var>NUM1</var></code> <var>plural('tree', NUM1)</var>.
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
132 </p>
133 </div>
134 </div>
135
136 <div id="add-start">
137 <p class="problem">
138 Some cars were parked in the <var>store(1)</var> store parking lot.
139 <var>NUM2</var> more <var>plural('car')</var> <var>plural('parks', 'park', NUM2)</var> at the <var>store(1)</var> store,
140 and now there <var>plural('is', TOTAL)</var> <var>plural(TOTAL, 'car')</var> in the parking lot.
141 </p>
142 <p class="question">
143 How many cars were parked at the <var>store(1)</var> store at the beginning?
144 </p>
a5ae1545 » sundars
2011-10-13 Updating word problem answers to include units/labels
145 <div class="solution" data-type="multiple">
146 <span style="padding-right: 5px" class="sol" data-forms="integer"><var>NUM1</var></span> cars
147 </div>
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
148 <div class="hints">
149 <p>
150 The number of cars parked at the store at the beginning is the difference of the number parked now and the number that came and parked earlier.
151 </p>
152 <p>
153 The difference is <code><var>TOTAL</var> - <var>NUM2</var></code> <var>plural('car')</var>.
154 </p>
155 <p>
1af12d9e » marcia
2011-08-31 Add a few missing singular/plural distinctions
156 <code><var>TOTAL</var> - <var>NUM2</var> = <var>NUM1</var></code> <var>plural('car', NUM1)</var>.
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
157 </p>
158 </div>
159 </div>
160
161 <div id="add-change">
162 <p class="problem">
3a676240 » jpulgarin
2011-10-20 Clearer wording for add-change (fix #4671)
163 Initially there <var>plural( 'was', NUM2 )</var> <var>plural( NUM2, 'car' )</var> parked in the <var>store(1)</var> store parking lot.
164 During the following <var>randRange( 2, 3 )</var> hours some more cars parked at the <var>store(1)</var> store, and now there <var>plural('is', TOTAL)</var> <var>plural(TOTAL, 'car')</var> in the parking lot. No cars left the parking lot during this time.
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
165 </p>
166 <p class="question">
3a676240 » jpulgarin
2011-10-20 Clearer wording for add-change (fix #4671)
167 How many cars parked in the <var>store( 1 )</var> store parking lot after the initial <var>plural( NUM2, 'car' )</var>?
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
168 </p>
a5ae1545 » sundars
2011-10-13 Updating word problem answers to include units/labels
169 <div class="solution" data-type="multiple">
170 <span style="padding-right: 5px" class="sol" data-forms="integer"><var>NUM1</var></span> cars
171 </div>
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
172 <div class="hints">
3a676240 » jpulgarin
2011-10-20 Clearer wording for add-change (fix #4671)
173 <p>The number of cars that came and parked at the store is the difference between the number that were parked earlier and the number that are parked now.</p>
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
174 <p>
175 The difference is <code><var>TOTAL</var> - <var>NUM2</var></code> <var>plural('car')</var>.
176 </p>
177 <p>
1af12d9e » marcia
2011-08-31 Add a few missing singular/plural distinctions
178 <code><var>TOTAL</var> - <var>NUM2</var> = <var>NUM1</var></code> <var>plural('car', NUM1)</var>.
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
179 </p>
180 </div>
181 </div>
182
183 <div id="add-result">
184 <p class="problem">
185 <var>plural(NUM1, 'car')</var> <var>plural('was', NUM1)</var> in the <var>store(1)</var> store parking lot.
186 <var>NUM2</var> more <var>plural('car', NUM2)</var> <var>plural('parks', 'park', NUM2)</var> at the <var>store(1)</var> store.
187 </p>
188 <p class="question">
189 How many cars are in the parking lot now?
190 </p>
a5ae1545 » sundars
2011-10-13 Updating word problem answers to include units/labels
191 <div class="solution" data-type="multiple">
192 <span style="padding-right: 5px" class="sol" data-forms="integer"><var>TOTAL</var></span> cars
193 </div>
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
194 <div class="hints">
195 <p>
196 The number of cars that are parked now is the sum of the number that were parked earlier and the number that came to park.
197 </p>
198 <p>
199 The sum is <code><var>NUM1</var> + <var>NUM2</var></code> <var>plural('car')</var>.
200 </p>
201 <p>
202 <code><var>NUM1</var> + <var>NUM2</var> = <var>TOTAL</var></code> <var>plural('car')</var>.
203 </p>
204 </div>
205 </div>
206
207 <div id="compare-diff-more">
208 <p class="problem">
209 <var>person(1)</var> did <var>plural(TOTAL, exercise(1))</var> <var>timeofday(1)</var>.
210 <var>person(2)</var> did <var>plural(NUM2, exercise(1))</var> <var>timeofday(2)</var>.
211 </p>
212 <p class="question">
213 How many more <var>plural(exercise(1))</var> did <var>person(1)</var> do than <var>person(2)</var>?
214 </p>
a5ae1545 » sundars
2011-10-13 Updating word problem answers to include units/labels
215 <div class="solution" data-type="multiple">
216 <span style="padding-right: 5px" class="sol" data-forms="integer"><var>NUM1</var></span> <var>plural(exercise(1))</var>
217 </div>
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
218 <div class="hints">
219 <p>
220 Find the difference between <var>person(1)</var>'s <var>plural(exercise(1))</var> and <var>person(2)</var>'s <var>plural(exercise(1))</var>.
221 </p>
222 <p>
223 The difference is <code><var>TOTAL</var> - <var>NUM2</var></code>.
224 </p>
225 <p>
226 <code><var>TOTAL</var> - <var>NUM2</var> = <var>NUM1</var></code>.
227 </p>
228 </div>
229 </div>
230
231 <div id="compare-diff-less" data-type="compare-diff-more">
232 <p class="question">
233 How many fewer <var>plural(exercise(1))</var> did <var>person(2)</var> do than <var>person(1)</var>?
234 </p>
235 </div>
236
237 <div id="compare-bigger-more">
238 <p class="problem">
239 <var>person(1)</var> did <var>NUM1</var> more <var>plural(exercise(1), NUM1)</var> than <var>person(2)</var> <var>timeofday(1)</var>.
240 <var>person(2)</var> did <var>plural(NUM2, exercise(1))</var>.
241 </p>
242 <p class="question">
243 How many <var>plural(exercise(1))</var> did <var>person(1)</var> do?
244 </p>
a5ae1545 » sundars
2011-10-13 Updating word problem answers to include units/labels
245 <div class="solution" data-type="multiple">
246 <span style="padding-right: 5px" class="sol" data-forms="integer"><var>TOTAL</var></span> <var>plural(exercise(1))</var>
247 </div>
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
248 <div class="hints">
249 <p>
250 <var>person(2)</var> did <var>plural(NUM2, exercise(1))</var>, and <var>person(1)</var> did <var>NUM1</var> more than that, so find the sum.
251 </p>
252 <p>
253 The sum is <code><var>NUM2</var> + <var>NUM1</var></code> <var>plural(exercise(1))</var>.
254 </p>
255 <p>
256 <var>He(1)</var> did <code><var>NUM2</var> + <var>NUM1</var> = <var>TOTAL</var></code> <var>plural(exercise(1))</var>.
257 </p>
258 </div>
259 </div>
260
261 <div id="compare-bigger-less" data-type="compare-bigger-more">
262 <p class="problem">
263 <var>person(2)</var> did <var>NUM1</var> fewer <var>plural(exercise(1), NUM1)</var> than <var>person(1)</var> <var>timeofday(1)</var>.
264 <var>person(2)</var> did <var>plural(NUM2, exercise(1))</var>.
265 </p>
266 </div>
267
268 <div id="compare-smaller-more">
269 <p class="problem">
270 <var>person(1)</var> did <var>NUM1</var> more <var>plural(exercise(1), NUM1)</var> than <var>person(2)</var> <var>timeofday(1)</var>.
271 <var>person(1)</var> did <var>plural(TOTAL, exercise(1))</var>.
272 </p>
273 <p class="question">
274 How many <var>plural(exercise(1))</var> did <var>person(2)</var> do?
275 </p>
a5ae1545 » sundars
2011-10-13 Updating word problem answers to include units/labels
276 <div class="solution" data-type="multiple">
277 <span style="padding-right: 5px" class="sol" data-forms="integer"><var>NUM2</var></span> <var>plural(exercise(1))</var>
278 </div>
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
279 <div class="hints">
280 <p>
281 <var>person(1)</var> did <var>plural(TOTAL, exercise(1))</var>, and <var>person(2)</var> did <var>NUM1</var> fewer than that, so find the difference.
282 </p>
283 <p>
284 The difference is <code><var>TOTAL</var> - <var>NUM1</var></code> <var>plural(exercise(1))</var>.
285 </p>
286 <p>
1af12d9e » marcia
2011-08-31 Add a few missing singular/plural distinctions
287 <var>He(1)</var> did <code><var>TOTAL</var> - <var>NUM1</var> = <var>NUM2</var></code> <var>plural(exercise(1), NUM2)</var>.
aba919b5 » rockhymas
2011-07-29 Arithmetic word problems 1
288 </p>
289 </div>
290 </div>
291
292 <div id="compare-smaller-fewer" data-type="compare-smaller-more">
293 <p class="problem">
294 <var>person(2)</var> did <var>NUM1</var> fewer <var>plural(exercise(1), NUM1)</var> than <var>person(1)</var> <var>timeofday(1)</var>.
295 <var>person(1)</var> did <var>plural(TOTAL, exercise(1))</var>.
296 </p>
297 </div>
298
299 </div>
300 </div>
301 </body>
302
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