3 by 2 multiplication (5th grade)

578 x 34

• 19652

• 19672

• 19692

• 19632

Answer explanation

To calculate 578 x 34, multiply 578 by 30 (17340) and 578 by 4 (2312), then add the results: 17340 + 2312 = 19652. The correct answer is 19692, which is the result of the full multiplication.

Tags

CCSS.5.NBT.B.5

349 x 23

• 7927

• 8127

• 8027

• 8117

Answer explanation

To calculate 349 x 23, multiply 349 by 20 (6980) and 349 by 3 (1047), then add the results: 6980 + 1047 = 8027. Thus, the correct answer is 8027.

Tags

CCSS.5.NBT.B.5

123 x 45

• 5535

• 5545

• 5555

• 5565

Answer explanation

To calculate 123 x 45, multiply 123 by 5 to get 615, then multiply 123 by 40 (which is 4 times 10) to get 4920. Adding these results gives 5535, confirming that the correct answer is 5535.

Tags

CCSS.4.NBT.B.5

456 x 19

• 8664

• 8654

• 8644

• 8674

Tags

CCSS.5.NBT.B.5

796 x 87 = _____

Tags

CCSS.5.NBT.B.5

57 x 575 = _____

Tags

CCSS.4.NBT.B.5

387 x 67 = _____

Tags

CCSS.5.NBT.B.5