Ch.4 Decimal
In 52,438.961, digit 6 stand for______, the digit ______ is in the thousands place.
Digit 2 is in the thousands place.
Round to 2 decimal places.
3.647 and 15.295
3.65 and 15.30
5.735 + 43.298
49.033
76.45 - 58.918
17.532
3.124 x 10 =
58.34 ÷ 100 =
31.24
0.5834
Rewrite the decimal as fraction in simplest form.
0.5 0.262
1/2
131/500
Rewrite the fractions as decimal.
35 hundredths
43/1000
0.35
0.043
21.54 km = _________ m
21,540
25,004 mL = _________ L __________ mL
25 L 4 mL
3 kg 5 g = ________ kg
3.005 kg
Rewrite the decimal as fraction in simplest form.
0.618 0.25
309/500
1/4
Rewrite the fractions as decimal.
19/40
23/125
0.475
0.184
13.458 x 9 =
121.122
365.67 ÷ 9 =
40.63
80 ÷ 4000 =
10.34 x 70 =
0.02
723.8
Order the following decimal from least to greatest.
3.618 3.81 3.681 3.168
3.168, 3.618, 3.681, 3.81
Order the following decimal from greatest to least.
0.05 0.5 0.055 0.505
0.505, 0.5, 0.055, 0.05
Correct your answer to 2 d.p.
2.47
Round to nearest hundredth.
2.17
13.66 ÷ 2 =
Round to nearest hundredth
Which statement about rounding decimals are correct?
A. 6.366 is 6.63 when rounded to nearest hundredth
B. 6.913 is 6.91 when rounded to nearest hundredth
C. 6.005 is 6.00 when rounded to nearest hundredth
D. 6.764 is 6.75 when rounded to nearest hundredth
B
Round the decimal to nearest whole, tenths and hundredths
19.547
20 (whole)
19.5 (tenths)
19.55 (hundredths)
The perimeter of a rectangle is 15.42 cm longer than the perimeter of a square with each side 4.55 cm long.
Find the perimeter of the rectangle.
Perimeter of square = 4.55 x 4
= 18.2 cm
Perimeter of rectangle = 18.2 + 15.42
= 33.62 cm
A sheet of plastic is 0.12 cm thick. The sheet of plastic is folded so that the folded sheet is twice as thick after each fold. How thick will it be after 3 folds?
0.12 x 2 x 2 x 2 = 0.96 cm
The sum of two numbers is 18.84. One number is 3 times the other. What are the two numbers?
First number = 18.84 ÷ 4
= 4.71
Second number = 4.71 x 3
= 14.13