Math 7 1 trimester Review st
1.
2.002 + 6.8 + 1.337
2.
33.09 + 18 + 5.02
3.
22.8 + 18 + 0.1 + 3.5087
4.
18.58 – 9.02
5.
3.007 - 1.22
6.
3.30 x 12.3
7.
1.24 x 0.202
8.
33.5 x 225
9.
53 =
10.
34 =
11.
105 =
12.
43 =
13.
72 =
14.
3 x 8 – (2 + 5) =
15.
5 + 2 x 10 – 3 =
16.
7 – 2x 10 + (3 + 2 – 1)
17.
What is 30% of 125?
18.
What is 20% of 40?
19.
What is 60% of 110?
20.
What is 12% of 58?
21. You are eating out and your meal costs $25.98. You need to leave a 15% tip. How much should you leave?
22.
How much should you leave if your meal cost $22.50?
23.
How much if it is $35.00?
24.
Write 4.225 x 106 in standard form.
25.
Write 0.23 x 104 in standard form.
26.
Write 1.2 x 10-2 in standard form.
27.
Write 5.8 x 103 in standard form.
28.
Write 2.2 x 10-5 in standard form.
30.
Write 120,000 in scientific notation.
31.
Write 0.000005 in scientific notation.
32.
Write 0.0000000335 in scientific notation.
33.
Write 202,000,000 in scientific notation.
34.
What is 324.592 rounded to the nearest tenth?
35.
What is 334.0229 rounded to the nearest hundredth?
36.
What is 2.059 rounded to the nearest hundredth?
37.
What is 3.45229 rounded to the nearest tenth?
38.
Order the following numbers: 0.2, 0.22, 0.02. 0.023, 0.223, 0.23 A. From least to greatest. B. From greatest to least.
39. Find the next two number in the pattern. A. 5, 10, 15, 20, 25, _____, _____ B. 5, 11, 17, 23, 29, _____, _____ C. 5, 10, 16, 23, 31, 40, _____, _____
Round the values to the nearest hundred and estimate the answer. 40.
8249 + 2278
41.
5582 + 2371
42.
897 – 542
43.
558 – 259
44. Write 0.23 as a percent.
45. Write 1.1 as a percent.
46. Write 0.45 as a percent.
47. What is 0.2 as a fraction?
48. What is 0.50 as a fraction?
49. What is 0.204 as a fraction?
50. What is 8/10 as a decimal?
51. What is 5/100 as a decimal?
52.
What is 20% as a fraction?
53. What is 26% as a fraction?
Simplify 54.
75 3
55.
46 6
56. Write 2
3 as an improper fraction. 4
57.
3 5 + = 8 8
58.
7 3 = 8 8
59.
7 3 ∙ 8 8
60.
7 3 ÷ 8 8