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 tenth?

Back

Rounding to the nearest tenth means looking at the hundredths place (the second digit after the decimal) to decide whether to round the tenths place up or keep it the same.

Tags

CCSS.5.NBT.A.4

Front

How do you round 72.178 to the nearest hundredth?

Back

Look at the third decimal place (8). Since 8 is 5 or more, round up the second decimal place (7) to 8. The answer is 72.18.

Tags

CCSS.5.NBT.A.4

Front

What is the nearest tenth of 23.542?

Back

Look at the hundredths place (4). Since 4 is less than 5, keep the tenths place (5) the same. The answer is 23.5.

Tags

CCSS.5.NBT.A.4

Front

How do you round 5.569 to the nearest tenth?

Back

Look at the hundredths place (6). Since 6 is 5 or more, round up the tenths place (5) to 6. The answer is 5.6.

Tags

CCSS.5.NBT.A.4

Front

Which is true: 1.72 rounded to the nearest tenth is 1.7 or 2.62 rounded to the nearest tenth is 2.7?

Back

1.72 rounded to the nearest tenth is 1.7 because the hundredths place (2) is less than 5.

Tags

CCSS.5.NBT.A.4

Front

What is the nearest tenth of 56.789?

Back

Look at the hundredths place (8). Since 8 is 5 or more, round up the tenths place (7) to 8. The answer is 56.8.

Tags

CCSS.5.NBT.A.4

Front

What is the rule for rounding numbers?

Back

If the digit to the right of the place you are rounding to is 5 or more, round up. If it is less than 5, keep the digit the same.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest whole number of 3.41?

Back

Look at the decimal (0.41). Since it is less than 0.5, round down. The answer is 3.

Tags

CCSS.5.NBT.A.4

Front

How do you round 10.231 to the nearest hundredth?

Back

Look at the third decimal place (1). Since 1 is less than 5, keep the second decimal place (3) the same. The answer is 10.23.

Tags

CCSS.5.NBT.A.4