Estratègies de Càlcul Mental: Els Dobles exactes
Authored by Ferran Escola Olivera
Mathematics
2nd Grade
Used 14+ times
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24 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
111 + 111 = ?
222
234
120
522
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
124 + 124 = ?
250
248
448
225
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
132 + 132 = ?
222
664
264
448
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
134 + 134 = ?
334
554
368
268
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
142 + 142 = ?
284
286
750
448
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
143 + 143 = ?
296
286
444
680
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
213 + 213 = ?
886
492
426
125
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