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 to decide whether to round the tenths place up or keep it the same.

Tags

CCSS.5.NBT.A.4

Front

Round 3.156 to the nearest tenth.

Back

3.2

Tags

CCSS.5.NBT.A.4

Front

What does it mean to round to the nearest hundredth?

Back

Rounding to the nearest hundredth means looking at the thousandths place to decide whether to round the hundredths place up or keep it the same.

Tags

CCSS.5.NBT.A.4

Front

Round 6.125 to the nearest hundredth.

Back

6.13

Tags

CCSS.5.NBT.A.4

Front

What is estimation in mathematics?

Back

Estimation is a method of finding an approximate value that is close to the actual value, often used to make calculations easier.

Front

Estimate (4.4 x 5.1) / 4.1.

Back

5

Tags

CCSS.5.NBT.B.7

Front

Estimate (8.2 + 2.9) - 7.1.

Back

4

Front

What is the purpose of estimating?

Back

The purpose of estimating is to quickly find a value that is close enough for practical purposes without needing exact calculations.

Front

What is the difference between exact and estimated values?

Back

Exact values are precise and calculated accurately, while estimated values are approximate and used for quick calculations.