Strategies to Multiply Whole Numbers

What is the prime factorization of 75?

• 3 X 25

• 3 X 5 X5

• 15 X 5

• 3 X 3 X 5 X 5

Tags

CCSS.3.OA.B.5

What is the product of 7 X 7 X 7 using an exponent?

• 7²

• 343

• 7³

• 49

Tags

CCSS.5.OA.A.2

What is the value of 50 X 12? Use mental math.

• 6,000

• 600

• 60

• 6

Tags

CCSS.3.NBT.A.3

CCSS.3.OA.C.7

What is the value of 300 X 8? Use mental math.

• 240

• 2,400

• 240,000

• 24,000

Tags

CCSS.3.NBT.A.3

Which is the best estimate of 5 x 33?

• 300

• 200

• 180

• 150

Tags

CCSS.3.NBT.A.1

CCSS.3.OA.D.8

Which is the best estimate of 11 X 68?

• 70

• 700

• 7,000

• 70,000

Tags

CCSS.3.NBT.A.1

CCSS.3.OA.D.8

Which is the best estimate of 249 X 2 by using rounding or compatible numbers?

• 600

• 500

• 350

• 300

Tags

CCSS.3.NBT.A.1

CCSS.3.OA.D.8

What is the value of 19 X 6?

• 94

• 102

• 114

• 122

Tags

CCSS.3.OA.C.7

What is the value of 109 X 7?

• 763

• 743

• 717

• 687

Tags

CCSS.4.NBT.B.5

What is the value of 43 X 8?

• 374

• 356

• 344

• 386