Cluster 5: Adding and Subtracting Decimals and Fractions

Front

What must you have to add and subtract fractions?

Back

Common denominators.

Front

You walk 3/4 mile and then 3/8 of a mile. How far do you walk altogether?

Back

1 1/8 miles.

Front

The beetle crawled 1/2 yard and the spider crawled 1/6 yard. How much farther did the beetle crawl than the spider?

Back

1/3 yard.

Front

Lia and James went to the movies. The tickets are $3.00 each. Lia bought popcorn and a slushy for $8.50. James bought a slushy and nachos for $12.00. How much money did they spend total?

Back

$26.50.

Front

2 2/10 + 5 1/5 = ? Simplify/Reduce if needed.

Back

7 2/5.

Front

What is a fraction?

Back

A fraction represents a part of a whole, expressed as a numerator over a denominator.

Front

What is a decimal?

Back

A decimal is a way of expressing numbers that are not whole, using a point to separate the whole number from the fractional part.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.

Front

What is the least common denominator (LCD)?

Back

The smallest number that can be a common denominator for two or more fractions.

Front

How do you add fractions with different denominators?

Back

Find a common denominator, convert the fractions, then add the numerators.