Rounding to find sums and differences

Round each number to the nearest tens place.

58 + 89 =

• 50 + 90 = 140

• 60 + 80 = 140

• 60 + 90 = 150

• 60 + 90 = 160

Round each number to the nearest tens place.

35 + 48 =

• 40 + 40 = 80

• 40 + 50 = 90

• 40 + 40 =90

• 30 + 40 = 70

Round each number to the tens place.

162 + 218 =

• 200 + 200 = 400

• 160 + 220 = 390

• 170 + 220 = 1, 7220

• 160 + 220 = 380

Round each number to the nearest 10.

65 - 24 =

• 70 - 20 = 50

• 70 - 20 = 90

• 60 - 20 = 40

• 60 - 30 = 30

Round each number to the tens place.

81 - 34 =

• 80 - 30 = 110

• 80 - 20 = 60

• 80 - 30 = 50

• 80 - 20 = 100

Round each number to the tens place.

361 + 182 =

• 400 + 200 = 600

• 360 + 180 = 440

• 300 + 150 = 450

• 360 + 180 = 540

Round each number to the hundreds place.

174 + 324 =

• 175 + 325 = 500

• 170 + 320 = 490

• 200 + 300 = 500

• 100 + 300 = 400

Round each number to the hundreds place.

468 + 141 =

• 500 + 100 = 600

• 500 + 200 = 700

• 470 + 140 = 610

• 400 + 100 = 500

Round each number to the hundreds place.

651 - 123 =

• 700 + 100 = 800

• 650 - 120 = 530

• 600 - 100 = 500

• 700 - 100 = 600

Round each number to the hundreds place.

764 - 341 =

• 800 - 350 = 450

• 800 - 300 = 500

• 800 + 400 = 1,200

• 800 - 400 = 400