# 6th - 3.4 - Add and Subtract Decimals

ID: zuhav-sapol
Rita Belka, BP BY-NC
Subject: Math

18 questions

# 6th - 3.4 - Add and Subtract Decimals

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##### Find the sum or difference.

1) ﻿$\left. \begin{array} { r } { 16.75 } \\ { + \quad 9.08 } \end{array} \right.$﻿

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2) 24.2

-17.6

3) ﻿$\left. \begin{array} { r } { 3.666 } \\ { + \quad 7.934 } \end{array} \right.$﻿

4) 80.38 - 51.9

5) ﻿$\left. \begin{array} { r } { 0.276 } \\ { 0.4333 } \\ { + \quad 0.94 } \end{array} \right.$﻿

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6) 386.5

-129.18

7) ﻿$\left. \begin{array} { r } { 2.918 } \\ { 34.36 } \\ { + \quad 74 . } \end{array} \right.$﻿

8) 37.0 - 9.641

9) 13+6.4+2.78

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10) $50-$28.67

11) $377.49+$96.30

12) 3-1.1875

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13) 0.436+0.9097+5+8.1

14) 20.3057-6.44

15) 101.1+0.101+10.01

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16) 2.5-0.25

17) Dexter weighs 50 kg. His body contains 30.8 kg of oxygen and 4.9 kg of hydrogen. The rest is made up of other elements. How many kilograms of other elements are in Dexter’s body?

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18) Anne’s body contains 38.6﻿$kg$﻿ of oxygen, 6.1﻿$kg$﻿ of hydrogen, and the rest other elements. The weight of other elements is 20.4﻿$kg$﻿ less than the weight of oxygen. How much does Anne weigh?

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