Mental math
Authored by education chirag
Mathematics
6th - 8th Grade
Used 16+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
15²
30
225
125
625
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
25²
125
625
225
50
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
35²
1225
625
70
225
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
35 × 11 =
355
335
385
3535
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
453 × 11 =
4533
4583
4553
4983
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
154 × 11
1694
1554
1654
1659
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
65²
3665
6225
4225
3025
Answer explanation
6 × 7 = 42
Last 2 digits will be 25 whenever there is 5 at unit place
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