Week 1 and 2 Knowledge Check

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

Estimate 71 x 42

• 3200

• 2850

• 2800

What is the value of the 2 in 24?

• 20

• 200

• 2

Tags

CCSS.4.NBT.A.1

CCSS.4.NBT.A.2

Estimate the product: 22 x 28=

• 20 x 20 = 400

• 20 x 30 = 600

• 30 x 30 = 900

• 22 x 28 = 616

Tags

CCSS.4.NBT.B.5

What's the first step when using the standard algorithm?

• 7 x 2

• 7 x 4

• 1 x 2

• 1 x 4

Tags

CCSS.4.NBT.B.5

What strategy is used for this multiplication problem?

• Distributive Property

• Multiplying by Tens

• Standard Algorithm

• Area Model

Tags

CCSS.4.NBT.B.5

What is the right order of steps for multiplication with the Area model?

• Add up all the partial products, Break the numbers into expanded form, multiply to find the partial products.

• Break the numbers into expanded form, multiply to find the partial products, and then add up all of the partial products.

Tags

CCSS.4.NBT.B.5

There are 32 bananas in each box. How many

bananas are in 53 boxes?

• 1,596 bananas

• 1,696 bananas

• 1,664 bananas

Tags

CCSS.4.NBT.B.5

CCSS.4.OA.A.2

The product means to...

• Estimate

• Multiply

• Add

• Subtract

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

Estimate means to...

• Multiply

• Add

• Subtract

• Round

Tags

CCSS.4.NBT.A.3

CCSS.4.OA.A.3