Two Digit Estimating Products

Based on our rules for rounding, which is the best example of a good estimate for 562 x 41?

• 560 x 40

• 500 x 40

• 600 x 40

• 600 x 50

Tags

CCSS.4.NBT.B.5

Use Mental Math to solve: __ x 80 = 4,000

• 55

• 60

• 50

• 40

Tags

CCSS.5.NBT.B.5

ROUND to estimate: 34 x 48

• 1,400

• 1,600

• 1,200

• 1,500

Tags

CCSS.4.NBT.B.5

Use COMPATIBLE NUMBERS to estimate: 24 x 62

• 1,500

• 1,000

• 2,000

• 2,500

Tags

CCSS.4.NBT.B.5

Use COMPATIBLE NUMBERS to estimate: 29 x 43

• 500

• 1,500

• 800

• 1,200

Tags

CCSS.4.NBT.B.5

Use COMPATIBLE NUMBERS to estimate: 82 x 78

• 5,000

• 6,400

• 4,900

• 8,100

Tags

CCSS.4.NBT.B.5

Use COMPATIBLE NUMBERS to estimate: 51 x 17

• 1,000

• 500

• 1,500

• 2,000

Tags

CCSS.4.NBT.B.5

Use COMPATIBLE NUMBERS to estimate: 53 x 54

• 2,000

• 2,500

• 3,000

• 2,800

Tags

CCSS.4.NBT.B.5

How are you feeling about estimating to multiply 2-digit x 2-digit numbers?

• I get it!

• I am still struggling with what we have done so far.

• I am pretty confused.

• I am mostly understanding it.

Tags

CCSS.4.NBT.B.5

When estimating the product, which expression would be best to use for 62 x 23?

• 60 x 20

• 60 x 2

• 60 x 30

• 6 x 2

Tags

CCSS.4.NBT.B.5