Add/Subtract Decimals
12.08 + 276.5
288.58
6 x .67
4.02
315 / 2 = ____________. Write as a decimal answer.
157.5
1/4 x 9 ______________.
2 1/4
What is the reciprocal of 7/12?
12/7 or 1 5/7
Daisy has one squash that is 9 inches long and another squash that is 7 inches long. She cuts the squash into 3/4 inch thick slices and adds them to a salad. How many 3/4 inch thick slices does Daisy have?
9 / 3/4
7 / 3/4
9/1 x 4/3 = 36/3 = 12 and 7/1 x 4/3 = 28/3 =
9 1/3
12 + 9 1/3 = 21 slices of squash with 1/3 slice left over.
123.8 + 0.097
123.897
155 x 0.8
124 or 124.0
5.3 / 0.2. Write as a decimal answer.
26.5
2 3/4 x 8 = ____________.
22
12 / 3/8. Make sure the answer is completely reduced.
32
Beth is making a rope ladder. Each step of the ladder is 2 1/3 feet wide. Beth has a rope that is 21 feet long. How many steps can she make from the rope?
21/1 / 2 1/3 =
21/1 / 7/3 =
21/1 x 3/7 = 63/7 = 9
9 steps
9.65 - 3.876
5.774
1.9 x 0.46
0.874
232 /40 = ___________. Write as a decimal answer.
5.8
3/5 x 11/12. Make sure the answer is completely reduced.
11/20
3/5 / 2. Make sure the answer is completely reduced.
3/10
12.67 - 5.998
6.672
89 x 0.16
14.24
0.2430 / 0.6. Annex zeroes and write as a decimal answer.
0.405
4 1/2 x 1 1/4. Make sure the answer is completely reduced.
5 5/8
9/10 / 4/5. Make sure the answer is completely reduced.
1 1/8
1,569.67 - 998.456
571.214
3.42 x 5.15
17.613 or 17.6130
2,626 / 4 = _________. Write as a decimal answer.
656.5
1 1/8 x 3 1/3. Make sure the answer is completely reduced.
3 3/4
4 1/3 / 3 1/4. Make sure the answer is completely reduced.
1 1/3
12,567.89 - 9,999.067
2,568.823
12.5 x 163.2
2,040.0 or 2,040
1.08 / 0.027
40
3 3/5 x 2 5/7
9 27/35
5 1/2 / 3 3/8
1 17/27
Like a bonus question (not on the test)1
16 1/2 / 8 2/4 =