Estimating
Using your benchmark fractions 0,1/2 and 1, estimate the problem below:
3/4 + 1/9
1 + 0 = 1
1/2 = ?/4
2/4
1/2 + 1/4
3/4
Change 2 2/3 into a mixed number with an improper fraction.
1 5/3
Using your benchmark fractions 0,1/2 and 1, estimate the problem below:
2/5 + 3/7
1/2 + 1/2 = 1
1/2 = 3/?
3/6
5/6 - 1/3
3/6
Change 4 2/5 into a mixed number with an improper fraction.
3 7/5
Using your benchmark fractions 0,1/2 and 1, estimate the problem below:
2 1/9 + 3 5/6
2 + 4 = 6
1/3 = ?/6
2/6
2/3 + 1/4
11/12
Add:
2 1/3 + 1 2/4
3 10/12
Using your benchmark fractions 0,1/2 and 1, estimate the problem below:
4 1/9 + 3 1/3
4 + 3 = 7
What is an equivalent fraction to 1/5?
2/10
3/15
4/20
5/25
...
4/5 - 1/3
7/15
Add:
1 2/5 + 1 2/10
2 6/10
Billy and Erika are building a house. Billy painted 2/9 of it and Erika painted 3/8 of it. Estimate how much they painted all together.
0 + 1/2 = about 1/2 the house
What is an equivalent fraction to 2/3?
4/6
6/8
8/10
10/12
...
Your teacher gives you 1/2 a bag of playdoh for indoor recess. She also gives your friend 1/3 of a bag of playdoh. How much do you and your friend have all together?
1/2 + 1/3 = 5/6 of a bag of playdoh
Miss Petro went apple picking with her family. She picked 2 2/7 pounds of apples, and her sister picked 1 1/14 pounds of apples. How many apples do they have all together to bring home?
2 2/7 + 1 1/14 = 3 5/14 pounds of apples