Decimals

Detailed Explanation & Practice Questions

Concept Explanation

Decimals are fractions with denominators of 10, 100, 1000, etc. You must master the four operations with decimals, rounding off to specific decimal places, and quickly multiplying or dividing by 10, 100, and 1000 by shifting the decimal point.

Practice Questions

10 Questions
Q1

Multiply 1.9 by 2.

A.0.4
B.38.0
C.4.8
D.3.8
Q2

Multiply 3.5 by 8.

A.29.0
B.2.8
C.28.0
D.280.0
Q3

Multiply 1.6 by 7.

A.112.0
B.12.2
C.1.1
D.11.2
Q4

Multiply 7.9 by 3.

A.23.7
B.2.4
C.24.7
D.237.0
Q5

Multiply 6.8 by 8.

A.544.0
B.5.4
C.55.4
D.54.4
Q6

Multiply 9.0 by 9.

A.81.0
B.8.1
C.82.0
D.810.0
Q7

Multiply 9.2 by 7.

A.644.0
B.6.4
C.65.4
D.64.4
Q8

Multiply 4.3 by 7.

A.3.0
B.301.0
C.30.1
D.31.1
Q9

Multiply 2.2 by 2.

A.0.4
B.5.4
C.4.4
D.44.0
Q10

Multiply 2.5 by 5.

A.13.5
B.1.2
C.125.0
D.12.5