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Question: In a school playground, there are 4 rows of 44 seats each. Using the place-value blocks, find the total number of seats in the playground.



A ) 48
B ) 176
C ) 32
D ) 40

Steps to derive

1 Place-value blocks shown in the array has 4 tens and 4 ones in each row. This shows 1 × 44.

3 The array has 4 rows, which shows 4 × 44.

4 The product is adding the tens and ones

5 = 4 rows of 40 + 4 rows of 4

6 = 4 × 40 + 4 × 4

7 = 160 + 16 = 176

8 Therefore, the total number of seats in the school playground is 176.



Hence the right answer is Option B

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