Round to the nearest TENS
Round to the nearest HUNDREDS
Surrounding TENS
Surrounding HUNDREDS
Halfway points
Rounding Rules
100

Round this number to the nearest ten:

71

70

100

Round this number to the nearest hundred:

202

200

100

When rounding to the nearest ten,

what are the two multiples of 10 on either side of 48?

40 and 50

100

When rounding to the nearest hundred,

what are the two multiples of 100 on either side of 148?

100 and 200

100

What is the halfway point between 30 and 40?

35

100

Finish the phrase:

4 or below _____________ and round ___________

Go slow and round down

200

Round this number to the nearest ten:

58

60

200

Round this number to the nearest hundred:

579

600

200

When rounding to the nearest ten,

what are the two multiples of 10 on either side of 11?

10 and 20

200

When rounding to the nearest hundred,

what are the two multiples of 100 on either side of 561?

500 and 600

200

What is the halfway point between 40 and 50?

55

200

Finish the phrase...

5 or more or above _____________ and round ______

give it a shove and round up

300

Round this number to the nearest ten:

165

170

300

Round this number to the nearest hundred:

721

700

300

When rounding to the nearest ten,

what are the two multiples of 10 on either side of 644?

640 and 650

300

When rounding to the nearest hundred,

what are the two multiples of 100 on either side of 222?

200 and 300

300

What is the halfway point between 180 and 190?

185

300

Fill in the blank...

When rounding to the nearest tens, you need to think of the surrounding multiples of ______.

ten.

400

Round this number to the nearest ten

934

930

400

Round this number to the nearest hundred:

850

900

400

When rounding to the nearest ten,

what are the two multiples of 10 on either side of 385?

380 and 390

400

When rounding to the nearest hundred,

what are the two multiples of 100 on either side of 949?

900 and 1,000

400

What is the halfway point between 7,000 and 8,000?

7,500

400

Fill in the blank...

When rounding to the nearest hundreds, you need to think of the surrounding multiples of ______.

hundred.

500

Round this number to the nearest ten:

1,842

1,840

500

Round this number to the nearest hundred:

1,362

1,400

500

When rounding to the nearest ten,

what are the two multiples of 10 on either side of 2,623?

2,620 and 2,630

500

When rounding to the nearest hundred,

what are the two multiples of 100 on either side of 4,612?

4,600 and 4,700

500

What is the halfway point between 21,000 and 22,000?

21,500

500

True or false?

When the digit neighboring the rounding place is 5, then round DOWN.

False.


When the digit neighboring the rounding place is 5, then round UP.