Cálculo mental adicción y sustracción
Authored by JENNIFFER MACAYA
Mathematics
3rd - 6th Grade
Used 20+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
20 + 30
40
50
60
70
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
3 + 7 =
8
9
10
11
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
27 + 2
29
30
31
32
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
7 + 7 =
18
17
15
14
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
70 - 40
20
30
35
40
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
22 + 12
44
43
34
32
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
10 - 7
1
2
3
17
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