Page 19 - 新思维数学活动用书2 样章
P. 19
1 Numbers to 100
Challenge
11 How many large spots are in the box?
How many small spots are in the box?
Estimate, then use the two boxes below
to help you count the large spots and
then the small spots.
Tip
You could count in twos, fives or tens to find the total.
Estimate
10 20 50 100
Count
Estimate
10 20 50 100
Count
Compare your estimate and count with another person’s.
Do you both agree?
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