Rounding numbers to the nearest ten and hundred.

Rounding numbers to the nearest ten and hundred.

Rounding to the nearest ten.

• count on in 10s

• look at the ones

• if it is either 0, 1, 2, 3, or 4 = round down

• if it is either 5, 6, 7, 8, or 9 = round up

Let's try

Round these to the nearest ten

Multiple Choice

Round 55 to the nearest ten.

• 40

• 50

• 60

• 70

Multiple Choice

Round 72 to the nearest ten.

• 60

• 70

• 80

• 90

Multiple Choice

Round 134 to the nearest ten.

• 100

• 200

• 130

• 140

Multiple Choice

Round 568 to the nearest ten.

• 500

• 600

• 560

• 570

Multiple Select

Which numbers, when rounded to the nearest ten, would make 40?

• 44

• 45

• 34

• 39

Multiple Select

Which numbers, when rounded to the nearest ten, would make 100?

• 94

• 106

• 104

• 98

Rounding to the nearest hundred.

• count on in 100s

• look at the tens

• if it is either 0, 1, 2, 3, or 4 = round down

• if it is either 5, 6, 7, 8, or 9 = round up

Let's try

Round these to the nearest hundred

Multiple Choice

Round 155 to the nearest hundred.

• 150

• 160

• 100

• 200

Multiple Choice

Round 192 to the nearest hundred.

• 190

• 180

• 100

• 200

Multiple Choice

Round 222 to the nearest hundred.

• 220

• 230

• 200

• 300

Multiple Choice

Round 1557 to the nearest hundred.

• 1510

• 1520

• 1500

• 1600

Multiple Choice

Round 3345 to the nearest hundred.

• 3340

• 3450

• 3300

• 3400