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Estimating the Product and Mental Multiplication

Total questions: 7

Worksheet time: 4mins

Name
Class
Date
1.

I-round off ang factors upang makuha ang estimated product: 64 x 25 = ________

a)

1200

b)

1400

c)

1800

2.

I-round off ang factors upang makuha ang estimated product: 51 x 9 = ________

a)

500

b)

450

c)

459

3.

I-round off ang factors upang makuha ang estimated product: 761 x 8 = ________

a)

7000

b)

8000

c)

6400

4.

I-round off ang factors upang makuha ang estimated product: 409 x 78 = ________

a)

32000

b)

2800

c)

40000

5.

Ibigay ang product gamit ang mental math: 32 x 2 = ____

a)

62

b)

64

c)

66

6.

Ibigay ang product gamit ang mental math: 43 x 3 = ____

a)

129

b)

126

c)

123

7.

Ibigay ang product gamit ang mental math: 11 x 5 = ____

a)

50

b)

56

c)

55