Round to the nearest 10
Round to the nearest 100
Halfway Points
True or False
100

Round this number to the nearest ten: 43

40

100

Round this number to the nearest hundred: 243

200

100

What is the halfway point between 10 & 20

15

100

The rules of rounding don't change a number

False

200

Round this number to the nearest ten: 18

20

200

Round this number to the nearest hundred: 389

400

200

What is the halfway point between 30 & 40

35

200

The rounding-up rule is when a number ends with 5-9 you round up to the next highest whole number 

 True

300

Round this number to the nearest ten: 13

10

300

Round this number to the nearest hundred: 564

600

300

What is the halfway point between 100 & 200

150

300

The rounding-down rule is when a number ends between 0-4 you round down to the nearest whole number

True

400

Round this number to the nearest ten: 86

90

400

Round this number to the nearest hundred: 892

900

400

What is the halfway point between 400 & 450

425

400

When rounding a number you always determine how you round by looking at the first digit

False

500

Round this number to the nearest ten: 34

30

500

Round this number to the nearest hundred: 715

700

500

What is the halfway point between 700 & 900

800

500

When the number 383 is rounded to the nearest hundred it is 400

True

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