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WorksheetsMath in Focus Singapore Math Grade 7 Chap 1
Total questions: 20
Worksheet time: 2hrs 38mins
20.75 in m/n form
20 3/4
83/4
20.8
23/4
-0.48 in simplified m/n form
-12/25
-48/100
-0.5
12/25
1.34 in simplified m/n form
1 34/100
1.3
67/50
1 17/50
60% in simplified m/n form
3/5
0.60
60/100
60
For each pair of numbers, find the absolute value. Then determine which number is farther from 0.
-15/4 and 18/7
-15/4; -18/7; 15/4
-15/4; -18/7; -15/4
15/4; 18/7; -15/4
15/4; 18/7; 15/4
Using long division, answer as a decimal.
7/56
O.756
0.734
0.0125
0.125
Using long division answer as a decimal.
-2 9/55
-2.163
2.345
2.163
-2.16
Find the absolute value of each real number in decimal form, correct to three decimal places.
-12 3/8, 90/7, -√ 49, √ 164, -8.207
(a)
Order the following real numbers from least to greatest using the symbol <.
-12 3/8, 90/7, -√ 49, √ 164, -8.207
(a)
Answer below
(a)
The distance between New York City, New York and Sydney, Australia is about 15,989 km what is this distance when rounded to two significant digits?
15,900
15,000
16,000
15,990
A dime has a mass of 2.268 grams. Round of the mass of the dime to three significant digits.
2.27 g
2.28 g
2.30 g
2.26 g
In 2009, the population of New York City was estimated at 8,391,881. Round the population to a) 2 significant digits; b) 3 significant digits; c) 4 significant digits.
(a)
A square has an area of 72 square inches. What is the length of a side of the square correct to 2 significant digits?
7.5 in
8.5 in
12 in
5.6 in
4 6/13 in simplified m/n form
(a)
-39/56 in simplified m/n form
(a)
Find absolute value, then determine which number is farther from 0.
-16 and -18
(a)
Find absolute value, then determine which number is farther from 0.
2.36 and -2.7
(a)
Find absolute value, then determine which number is farther from 0.
31/3 and 40/6
(a)
Graph on a real number line the following:
√ 31, -√ 112, ∛ 142, -1/4 π³
