数学加减乘除法

What is the product of 56 and 8?

• 448

• 224

• 872

• 460

Marcus bought several boxes of books at a yard sale and ended up with 72 books in total. If each box had 6 books, how many boxes did he buy?

• 8

• 10

• 12

• 6

21 is a multiple of which number?

• 8

• 6

• 3

• 4

Which of the following statements is 100 the best estimate?

• 46 x 2

• 39 x 4

• 67 x 2

• 53 x 4

Which number would be placed in the box to make the statement true?

• 4

• 7

• 3

• 6

Which list contains only factors of 18?

• 18,32,54,72,90

• 1,2,3,6,9,18

• 2,4,6,8.10

• 6,18,32,54,72

Solve: 86 x 42

• 7643

• 3612

• 204

• 3422

Solve:

• 63 R 2

• 63

• 6 R23

• 63 R28

Find the quotient.

• 16

• 10

• 12

• 14

Which multiplication problem is shown by this area model?

• 5 x 26

• 15 x 26

• 10 x 26

• 15 x 46