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Lesson 86 Multiplying Round Numbers Mentally

Authored by Bernie Grieve

Mathematics

4th Grade

Used 1+ times

Lesson 86 Multiplying Round Numbers Mentally
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Multiply mentally: 70 × 80

5,600

4,800

6,000

5,000

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Multiply mentally: 40 × 50

2,050

1,500

2,000

1,800

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Multiply mentally: 40 × $6.00

$220.00

$200.00

$180.00

$240.00

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Multiply mentally: 30 × 800

24,000

22,000

26,000

28,000

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

It takes Jennifer 20 minutes to walk to school. At what time should she start for school if she wants to arrive at 8:10 a.m.?

7:50 p.m

7:40 a.m.

7:50 a.m.

7:45 a.m.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Before her haircut Rapunzel weighed 125 pounds. After her haircut she weighed 118 pounds. What was the weight of the hair that was cut?

9 pounds

5 pounds

8 pounds

7 pounds

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Lucy bought a hamburger for $2.89, fries for $0.89, and a drink for 79¢. The tax was 28¢. She paid with a $5 bill. How much money should Lucy get back?

25¢

15¢

10¢

20¢

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