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

Watch the video.

You may watch the video as many times as you would like or need.

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 Select

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

(Select 2 answers)

• 44

• 45

• 34

• 39

Multiple Select

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

(Select 2 answers)

• 94

• 106

• 104

• 98

Let's see how base ten blocks can help us round!

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 to the nearest hundred:
276

• 200

• 250

• 275

• 300