Round-off 99 to the nearest tens

• 81

• 100

• 75

• 90

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Round-off 724 to the nearest hundreds

• 800

• 35

• 756

• 700

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Round-off 981 to the nearest thousands :

• 1000

• 0

• 900

• 9000

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Round-off 1021 to the nearest thousands

• 0

• 1500

• 1000

• 2000

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Round-off 610 to nearest tens , hundreds

• 610, 600

• 600, 600

• 650, 700

• 600, 650

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Round-off 9999 to the nearest thousands ?

• 10,000

• 1000

• 9000

• 9500

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Round-off 623 to the nearest thousands?

• 6000

• 0

• 500

• 1000

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Find the estimated sum of 38 + 25 ?

• 30+ 40= 70

• 40+40=80

• 30+ 30=60

• 40+ 30= 70

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Estimate the sum of 500 + 650

• 600+ 600=1200

• 500 + 600= 1100

• 500+ 700= 1200

• 550 + 650= 1200

Tags

CCSS.4.NBT.A.3

CCSS.4.NBT.B.4

CCSS.4.OA.A.3

Estimate the sum of 576 + 786

• 600 + 800 = 1400

• 550 + 750 = 1300

• 600 + 500 = 1100

• 600 + 700 = 1300

Tags

CCSS.5.NBT.A.4