Adding and Subtracting Fractions
1/4 + 1/2
3/4
3 + 5 2/3 =
8 2/3
3 - 1 1/2
1 1/2
Mitch biked 1 mile from school to the store, then he biked 2 1/4 miles home. Use a number line to show how many miles he biked.
3 1/4 - must have a number line model
What is .54 as a fraction?
54/100
5/6 - 1/3
3/6 or 1/2
1 7/8 + 1 1/8 =
3
6 2/3 - 5 1/3 =
1 1/3
Nikki made 10 pizzas. One of her friends ate 3 1/4 of the pizzas and Nikki ate 4 3/4. How much pizza did they eat all together?
They ate a total of 8 pizzas all together.
What is 1 2/10 as a decimal?
1.2
7/8 - 1/2
3/8
5 4/6 + 1 5/6
7 3/6
9 1/2 - 6 1/4 =
3 1/4
Sally was making a batch of cookies. She used 2 1/2 cups of flour and 1 3/4 cups of sugar. How much more flour did she use than sugar?
Sally used 3/4 more cups of flour than sugar.
3 25/100 or 3 1/4
4/5 + 5/10
1 3/10
6 1/2 + 2 1/8
8 5/8
6 5/6 - 3 6/12
3 4/12
Evan is preparing to run a race. He wants to run 4 miles every day. Before school, he ran 2 3/12 of a mile. After school, he ran 1 2/3 of a mile. How much did he run? Did he meet his goal?
Evan ran 3 11/12 of a mile. No, he did not meet his goal.
2.5
1/12 + 1/6 + 2/3
11/12
3 5/12 + 2 1/3
5 9/12
11 2/8 - 7 3/4
3 4/8 or 3 1/2
Lucia needs 11 3/10 feet of ribbon to make bracelets for her friends. So far, she's used 2 2/5 feet of ribbon. She has 8 6/10 feet of ribbon left to use. How much more ribbon would Lucia need?
Lucia needs 3/10 feet of ribbon to have enough.
Which is larger: 3.75 or 3 7/10
3.75