Rounding (0, 1/2, 1)
11/12
1
8 1/5 + 2 1/6
8 + 2= 10
2/5 + 2/5
4/5
Subtract 11/20 - 5/20
6/20= 3/10
1/5
0
4 7/8 + 1 3/4
5 + 2= 7
8/11 - 3/11
5/11
Estimate 12 8/15 - 6 4/22
12 1/2 - 6= 6 1/2
2/10
0
9 2/7 - 1/4
9 - 0= 9
6/9 - 3/9
3/9= 1/3
Round 2 10/30
2
9/20
1/2
7 6/14 - 2 2/17
7 1/2 - 2= 5 1/2
2/9 + 8/9
11/9= 1 1/9
Add 3/8 + 7/8
10/8= 1 1/4
3/5
1/2
6 6/10 + 1 4/9
6 1/2 + 1 1/2= 8
12/40 + 8/40
20/40= 1/2
Sam needs to know how many yards of cloth he needs to make some new clothes. His tie needs 1/3 cloth, his vest needs 7/8, his pants needs 4 1/5, his shirt needs 3 3/8, and his jacket needs 6 4/9. Using estimating, about how many yards of cloth will he need?
15 yards (0+1+4+3_1/2+6_1/2)
Round 4 13/25
4 1/2