Decimals Worksheet (Page 6 of 9) in pdf

Decimals Worksheet Page 6

Basic Arithmetic

Lesson 5 – Decimals

OPERATIONS WITH DECIMALS – CALCULATOR ASSISTED

When performing the mathematical operations of addition, subtraction,

multiplication, and division using decimals, our calculator is a great

support tool. Once the given numbers are combined, rounding often

comes into play when presenting the final result.

Example 9: Use your calculator to compute each of the following. Round as indicated.

a. Multiply 4.32 ! 3.17 then round the result to the nearest tenth.

b. Divide 523.14 ÷ 23.56 then round the result to the nearest thousandth.

Multiply (0.1)

. Write your result first in decimal form. Then, convert to a simplified

fraction.

d. Combine the numbers below. Round your final result to the nearest whole number.

3.721 + 4.35 · 21.72 – 0.03

YOU TRY

10. Use your calculator to combine the numbers below. Round your final result to the

nearest hundredth. When computing, try to enter the entire expression all at once.

(6.41)

– 5.883 ÷ 2.17

Decimals Worksheet Page 6