Two Digit Multiplication Estimation

estimate 48 x 48

Tags

CCSS.4.NBT.B.5

estimate 21 x 59

• 12,000

• 1200

• 120

• 1,239

Tags

CCSS.4.NBT.B.5

estimate 11 x 52

• 500

• 5000

• 50

• 572

Tags

CCSS.4.NBT.B.5

estimate 74 x 54

• 3,996

• 350

• 35,000

• 3500

Tags

CCSS.4.NBT.B.5

estimate 42 x 36

• 1600

• 16,000

• 160

• 1512

Tags

CCSS.4.NBT.B.5

Michael state that 39 x 81 is 351. Use estimation to determine whether Michael's answer is reasonable. Is Michael's answer reasonable?

• Yes

• No

Tags

CCSS.4.NBT.B.5

What number goes in the box with the "?"

• 30

• 300

• 56

• 72

Tags

CCSS.4.NBT.B.5

What goes in the empty box?

• 24

• 240

• 46

• 40

Tags

CCSS.4.NBT.B.5

What number goes in the green rectangle?

• 35

• 14

• 45

Tags

CCSS.4.NBT.B.5

Multiply: 
52 x 9 = 

• 63

• 550

• 468

• 648

Tags

CCSS.4.NBT.B.5