Rounding to the nearest 10 & 100

Rounding to the nearest 10 & 100

Rounding numbers means changing digits to a simpler number. We do this to make rough calculations easier.

Rounding to the nearest 10

• Underline the unit

• If it is 4 or less, round down

• If it is 5 or more, round up

• Look at the examples to help you

Multiple Choice

86 rounded to the nearest 10 is:

• 85

• 80

• 90

• 96

Multiple Choice

43 rounded to the nearest 10 is:

• 33

• 40

• 50

• 55

Multiple Choice

25 rounded to the nearest 10 is:

• 30

• 35

• 20

• 15

Multiple Choice

245 rounded to the nearest 10 is:

• 240

• 260

• 250

• 200

Multiple Choice

1032 rounded to the nearest 10 is:

• 1040

• 130

• 1300

• 1030

Multiple Choice

866 rounded to the nearest 10 is:

• 870

• 800

• 700

• 860

Rounding to the nearest 100

• Underline the ten

• If it is 4 or less, round down

• If it is 5 or more, round up

• Look at the examples to help you

Multiple Choice

231 rounded to the nearest 100 is:

• 200

• 230

• 240

• 300

Multiple Choice

582 rounded to the nearest 100 is:

• 590

• 500

• 600

• 680

Multiple Choice

611 rounded to the nearest 100 is:

• 610

• 620

• 700

• 600

Multiple Choice

104 rounded to the nearest 100 is:

• 110

• 200

• 100

• 140

Multiple Choice

189 rounded to the nearest 100 is:

• 180

• 100

• 190

• 200

Multiple Choice

1452 rounded to the nearest 100 is:

• 1500

• 1000

• 1450

• 1400

Any questions?