Fluently adding and subtracting three-digit whole numbers

400 - 280 =

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.B.4

CCSS.5.NBT.B.7

Estimate the Sum:

529 + 285

• 880

• 700

• 80

• 800

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.B.4

CCSS.5.NBT.B.7

Round to the nearest 100.

466 + 132 =

• 500

• 600

• 700

• 800

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.B.4

CCSS.5.NBT.B.7

360-254

• 106
• 160
• 362
• 100

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.B.4

CCSS.5.NBT.B.7

Find the difference between the largest 3 digit number and the largest 2 digit number.

• 999

• 9000

• 900

• 99

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.B.4

CCSS.5.NBT.B.7

Round each number to the tens place.

162 + 218 =

• 200 + 200 = 400

• 160 + 220 = 390

• 170 + 220 = 1, 7220

• 160 + 220 = 380

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.B.4

CCSS.5.NBT.B.7

What is the difference of the following numerals rounded to the neared ten?

344 and 452

• 110

• 790

• 100

• 700

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.B.4

CCSS.5.NBT.B.7

Estimate the difference to
89-31=

• 70
• 60
• 50

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.B.4

CCSS.5.NBT.B.7

Round to the nearest ten to estimate the sum.
48 + 28 = 

• 80
• 20
• 70
• 30

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.B.4

CCSS.5.NBT.B.7

What is 794 - 300 ?

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.B.4

CCSS.5.NBT.B.7