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Addition and Subtraction Equations

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Addition and Subtraction Equations

Work through each number sentence. Show your working where space is provided.

Calculate

Find the value of each number sentence.

1.36 + 18 − 9 = ____

2.52 − 17 + 8 = ____

3.27 + 16 − 14 = ____

4.64 − 28 + 13 = ____

5.41 + 25 − 19 = ____

6.73 − 36 + 12 = ____

Find the missing number

Work out the value that makes each equation true.

7.14 + ____ − 6 = 19

8.____ − 15 + 9 = 28

9.32 + 7 − ____ = 24

10.46 − ____ + 11 = 39

11.____ + 23 − 17 = 42

12.58 − 24 + ____ = 50

Solve a story problem

Use addition and subtraction to solve each situation. Write an equation and answer.

13.At robotics club, Amira has 26 small wheels for her robot. She uses 9 wheels for a build, then finds 14 more in the parts box. How many wheels does she have now? Write an equation.

14.Kirra says 35 + 18 − 12 is worked out by adding 35 and 18 first, then subtracting 12. What is the answer? Show or describe the steps.

15.Matilda's robotics club starts with 48 batteries. The team uses 16 batteries, then receives a pack of 23. How many batteries are there now? Write an equation and solve it.

16.A robotics club has 39 wires. The students use 12 wires and then add 8 new wires to the supplies. How many wires are left? Write an equation and solve.