Multiplication Estimation and Partial Product

Estimate the product 72 x 97.

• 6,300
• 8,000
• 7,000
• 6,400

Which shows the best estimate to use for estimating 37 × 63?

• 40 × 70 = 2,800
• 50 × 60 =  3,000
• 40 × 60 =  2,400
• 30 × 60 =  1,800

Tags

CCSS.4.NBT.B.5

Each fifth grade class at Roy DeShane Elementary has 27 students.  There 5 fifth grade classes. (Let's pretend!)  What is the best estimate of the total amount of fifth grade students at Roy DeShane Elementary? 

• 20
• 30
• 100
• 150

Tags

CCSS.4.NBT.B.5

Multiplying is the same computation as

• repeated subtraction
• repeated addition
• diving each number by the number in front of it
• exponents

Tags

CCSS.4.NBT.B.5

When using partial products multiplication, you first _____ then _____.

• multiply, add
• multiply, subtract
• add, multiply
• multiply, multiply

Tags

CCSS.4.NBT.B.5

What partial product goes in area A in this area model?

• 120
• 1,200
• 12,000
• 700

Tags

CCSS.4.NBT.B.5

What multiplication problem is represented by this area model?

• 4 x 370
• 4 x 300
• 4 x 379
• 4 x 3,079

Tags

CCSS.4.NBT.B.5

Which of the following shows the correct way to use expanded form to multiply 3,472 x 9?

• 3,472 x 9
• (3,000 + 472) x 9
• (9 x 3,000) + (9 x 400) + (9 x 70) + (9 x 2)
• (9 x 3,472) + (9 x 3,472)

Tags

CCSS.4.NBT.B.5

CCSS.4.NBT.A.2

What is the partial product way to solve
3 x 45?

• (30 x 4) + (30 x 5)
• 3 x 40 x 5
• 3 x (4 + 5)
• (3 x 40) +  (3 x 5)

Tags

CCSS.4.NBT.B.5

CCSS.4.NBT.A.1

Solve using partial product 
Product of 276 x 9

• 2474
• 2494
• 2485
• 2484

Tags

CCSS.4.NBT.B.5