Rounding Decimals

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, while keeping its value close to what it was.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What does it mean to round to the nearest whole number?

Back

Rounding to the nearest whole number means adjusting a decimal number to the closest whole number. If the decimal is .5 or higher, round up; if it's less than .5, round down.

Tags

CCSS.5.NBT.A.4

Front

When rounding 34.72 to the nearest whole number, what is the result?

Back

35

Tags

CCSS.5.NBT.A.4

Front

What is the rule for rounding to the nearest tenth?

Back

Look at the hundredths place. If it's 5 or more, round up the tenths place by one. If it's less than 5, keep the tenths place the same.

Tags

CCSS.5.NBT.A.4

Front

Round 47.941 to the nearest tenth.

Back

47.9

Tags

CCSS.5.NBT.A.4

Front

What is the difference between rounding to the nearest tenth and rounding to the nearest hundredth?

Back

Rounding to the nearest tenth considers the first decimal place, while rounding to the nearest hundredth considers the second decimal place.

Tags

CCSS.5.NBT.A.4

Front

If a number is 16.35, between which two tenths does it fall?

Back

16.3 and 16.4

Tags

CCSS.5.NBT.A.4

Front

What is the result of rounding 4.5 to the nearest tenth?

Back

4.5 rounds to 4.5, but if considering numbers like 4.52, it rounds to 4.5.

Tags

CCSS.5.NBT.A.4

Front

What could the original number be if it rounds to 15.12 when rounded to the nearest hundredth?

Back

15.118 could round to 15.12.

Tags

CCSS.5.NBT.A.4

Front

What is the rounding rule for numbers ending in 5?

Back

When rounding numbers that end in 5, round up to the next number if the digit before 5 is odd, and round down if it's even.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3