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8 questions
What is half of 60?
20
15
30
Can you double 26?
15
13
12
What is half of 88?
44
25
62
Can you double 70?
90
72
140
Now half the number 12 and double the number 30. If you multiply them what is the answer?
320
240
360
Can you multiply 14 x 24 using the halving and doubling strategy?
336
226
300
Multiply 45 x 18 =
728
456
810
25 x 16 =
450
400
360
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