Adding and subtracting fractions | Baamboozle - Baamboozle

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What is the number at the bottom of a fraction called?

The denominator

BONUS POINTS: Solve this problem.

8/10

If I bought a pizza, cut it into 8 pieces, and gave you 2 slices, what FRACTION of the pizza would you have?

2/8

Solve this problem.

9/15

What is the FIRST STEP to solve this problem?

Find the Lowest Common Denominator.

Subtract the numerators.

Multiply both fractions.

Add the numerators together.

On your whiteboard, write the shaded part of the pie as a FRACTION.

1/6

Solve this problem.

11/12

On your whiteboard, write the shaded part of the pie as a FRACTION.

1/4

Solve this problem.

5/7

On your whiteboard, write the shaded part of the pie as a FRACTION.

4/8 OR 1/2

On your whiteboard, write the shaded part of the pie as a FRACTION.

1/3

Solve this problem.

1/6

Solve this problem.

5/15

BONUS POINTS: Solve this problem.

7/8

TRUE OR FALSE: In order to add/subtract fractions, they must have the same DENOMINATOR.

True!

BONUS POINTS: Solve this problem.

3/4

Solve this problem.

8/10

BONUS POINTS: Solve this problem.

4/6

TRUE OR FALSE: To add/subtract fractions, they must have the same NUMERATOR.

FALSE - they must have the same DENOMINATOR.

What is the number at the top of a fraction called?

The numerator

If I had a jar with 10 marbles, and I dropped 3 marbles, what FRACTION of the marbles did I drop?

3/10