Rounding and Estimating Decimals

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting the number to a nearby value that is easier to work with, usually to a specific place value like tenths or whole numbers.

Tags

CCSS.5.NBT.A.4

Front

How do you round a decimal to the nearest tenth?

Back

Look at the hundredths place. If it is 5 or greater, round up the tenths place by 1. If it is less than 5, keep the tenths place the same.

Tags

CCSS.5.NBT.A.4

Front

Round 5.67 to the nearest tenth.

Back

5.7

Tags

CCSS.5.NBT.A.4

Front

What is the nearest whole number to 14.297?

Back

14

Tags

CCSS.5.NBT.A.4

Front

How do you round a number to the nearest tens place?

Back

Look at the ones place. If it is 5 or greater, round up the tens place by 1. If it is less than 5, keep the tens place the same.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 56.4 to the nearest tens place.

Back

60

Tags

CCSS.5.NBT.A.4

Front

What is a whole number?

Back

A whole number is a number without fractions or decimals, including zero.

Front

Round 5.8 to the nearest whole number.

Back

6

Tags

CCSS.5.NBT.A.4

Front

What is estimating in math?

Back

Estimating is finding a number that is close enough to the exact amount, often used for quick calculations.

Front

Lina buys a hamburger for $2.96 and a milkshake for $4.06. Estimate her total cost.

Back

$3 + $4 = $7.