Chapter 3 Decimal Review

Question # 1  Add or subtract – 0.58 a)0.445 b)0.454 c)0.554

Question #2 ▪3 x 1.42 a)0.426 b)4.26 c)42.6

Question #3 6.7 x 0.5 a)3.35 b)335 c)33.5

Question #4 ▪13.5 – 2.84 a)10.66 b)10.6 c)10.64

Question #5 ▪20 – 5.98 a)13.02 b)14.02 c)14.22

Question # x 89.6 a) b) c)

Question # x 1000 a)258 b) c)2580

Question #8  Evaluate x ÷ y if x= and y= 28. A B C D. 324

Question #9  Find the area of a rectangle with a length of 6.1 meters and a width of 4.3 meters. A. 10.4m² B m² C m² D m

Question #10  Find the perimeter of a square whose sides measure 9.5 inches.. A. 19 inches B inches C. 95 inches D. 38 inches

Write the following decimal in standard and expanded form. Sixteen and three thousandths a ; (1x 16) + (3 x 1) b ; (1 x 10) + (6 x 1) + (3 x 0.001) c ; (1 x0.1) + (6 x 0.01) + (3 x ) Question #11

Question #12  Estimate using front-end estimation

Question #13  Estimate using rounding

Question #14  Round each decimal to the indicated place-value position ; tenths ; ones ; thousandths

Compare the following decimals. Choose the symbol that makes this statement true ______ a. > b. < c. = Question #15

List the following decimals from greatest to least. 6.03, 6.003, 0.603, 0.63 a , 0.63, 6.003, 6.03 b. 6.03, 6.003, 0.63, c , 6.03, 0.63, Question #16

Which one of these is rounded properly by using clustering? a = 32 b = 32 c = 24 Question #17