Decimals

Decimals

What are Decimals

A decimal is a fractional number.

We can use Decimal notations to represent fractions with a denominator of 10 or 100

Multiple Choice

Six tenths can be written as:

• 6/10 or 0.06

• 6/10 or 0.6

• 6/100 or 0.6

• 6/10 or 6.0

Multiple Select

Select all the ways I can write fifty-eight hundreds

• 58.0

• 58/100

• 0.058

• 0.58

Decimals

We can make compare two decimals by telling if they are equal to =, greater than > or less than < each other.

Multiple Choice

What is .4 compared to .5

• >

• <

• =

Multiple Choice

True or False?

0.2 is the same as 0.02

• True

• False

Multiple Choice

Larry lives 1.87km from school. Peter lives 1.78km from school. Who lives the furthest?

• Larry

• Peter

Equivalent Decimal numbers

We can make our decimal numbers equivalent. We can change tenths to hundredths or hundredths to tenths. For example 1/10 = 10/100

Multiple Choice

What is an equivalent fraction for 0.7

• 7/100

• 70/10

• 70/100

• 700/100

Multiple Select

What are all the ways I can represent four tenths. Check all the correct answers.

• 4/10

• 40/10

• 40/100

• 0.4

• 0.40

Adding Decimals

We can add tenths and hundredths. Remember you can write then as a fraction, make the denominators the same and then just add the numerators.

Multiple Choice

What is the value of 1/10 and 55/100?

• 56/100

• 56/10

• 65/10

• 65/100

Multiple Choice

What is the value of 0.3 and 0.66?

Clue: Change them to fractions and make them equivalent. Then add the numerators

• 96/100

• 69/100

• 69/10

• 96/10