Mastering Multiplication of Whole Numbers by Tens

What is the first step in multiplying 12 by 20?

• Multiply 12 by 5

• Multiply 12 by 20 directly

• Multiply 12 by 10

• Multiply 12 by 2

Tags

CCSS.3.OA.C.7

What is the result of 12 times 2?

• 28

• 26

• 24

• 22

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

How do you express 30 in terms of tens?

• 3 times 10

• 4 times 10

• 2 times 10

• 5 times 10

Tags

CCSS.4.NBT.B.5

What is the product of 23 and 3?

• 69

• 67

• 66

• 68

Tags

CCSS.5.NBT.B.5

What is the final result of multiplying 47 by 60?

• 282

• 28200

• 2820

• 282000

Tags

CCSS.5.NBT.B.5