Question 1

43 x 30

Accepted Answer

1290

Answer

129

Answer

12,900

Answer

120

Question 2

430 x 30

Accepted Answer

12900

Answer

490

Answer

129000

Answer

129

Question 3

830 x 20

Accepted Answer

16600

Answer

166

Answer

166, 000

Answer

1660

Question 4

4,400 x 400

Accepted Answer

1,760,000

Answer

1760

Answer

5,600

Answer

56,000

Question 5

80 x 5000

Accepted Answer

400,000

Answer

40

Answer

5,080

Answer

40,000

Question 6

35 hundreds = 5 tens x 7 tens

Accepted Answer

True

Answer

False

Question 7

770 x 6 = 77 x 7 x 100

Accepted Answer

False

Answer

True

Question 8

50 tens x 4 hundreds = 40 tens x 5 hundreds

Accepted Answer

True

Answer

False

Question 9

24 x 10 x 90 = 90 x 2,400

Accepted Answer

False

Answer

True

Question 10

80 x 5 =

Accepted Answer

400

Answer

85

Answer

40

Answer

4

Question 11

80 x 50

Accepted Answer

4,000

Answer

130

Answer

40,000

Answer

400

Question 12

800 x 500

Accepted Answer

400,000

Answer

40,000

Answer

13,000

Answer

1,300

Question 13

8,000 x 50

Accepted Answer

400,000

Answer

40,000

Answer

8,050

Answer

400

Question 14

637 x 3

Accepted Answer

1,911

Answer

19,110

Answer

751

Answer

7,51

Question 15

6370 x 30

Accepted Answer

191,100

Answer

1,911,000

Answer

1,911

Answer

19,110,000

Question 16

6370 x 300

Accepted Answer

1,911,000

Answer

6,670

Answer

60,670

Answer

1,911

Question 17

63,700 x 300

Accepted Answer

19,110,000

Answer

64,000

Answer

1,911,000

Answer

191,100

Question 18

A concrete stepping stone measures 20 square inches. What is the area of 30 such stones?

Accepted Answer

600 square inches

Answer

60 square inches

Answer

6,000 square inches

Answer

50 square inches

Question 19

A number is 42,300 when multiplied by 10. Find the product of this number and 500.

Accepted Answer

211,500

Answer

21,150

Answer

2,115,000

Answer

2,150

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