Rounding

Rounding by 10's

100

18 Rounding to the nearest ten.

What is 20?

200

54 Rounding to the nearest ten.

What is 50?

300

569 Rounding to the nearest tens.

What is 570?

400

452 Rounding to the nearest hundreds

What is 500?

Rounding by 10's and 100's

100

71 rounding to the nearest ten.

What is 70?

200

936 rounding to the nearest hundred.

What is 900?

300

641 round to the nearest ten.

What is 640?

400

798 round to the nearest hundred.

800?

Mixed

100

What is rounding?

Rounding means making a number simpler but keeping its value close to what it was.

200

What is the number?

There is a  9 in the hundreds

There is a 5 in the ones

There is a 7 in the tens

300

I am thinking of a number from 1–100.

• I have 2 digits.
• I am greater than 50.
• I am less than 70.
• I round to 60.
• My ones digit is 3.

What number am I?

63

400

I am thinking of a number.
My number is 84.
When I round to the nearest 10, I become ____.

80