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Subtraction to 20
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Subtraction to 20
Practise subtracting numbers within 20. You can use counting back, known facts or addition to check your answers.
Work it out
Solve each subtraction. Show working if it helps.
1.Find 16 − 9.
2.Calculate 19 − 8.
3.What is 13 − 5?
- 6
- 7
- 8
- 9
4.Use the number line to count back from 18 by 6. What number do you land on?
Connect subtraction and addition
Use the related facts to complete each answer.
5.Complete the fact family using 15, 6 and 9: 15 − 6 = 9; 15 − 9 = __; 9 + 6 = __; 6 + 9 = __.
6.If 14 − 7 = 7, complete the related addition: 7 + 7 = __.
7.Match each subtraction to its answer.
- 17 − 9
- 12 − 7
- 20 − 6
- 11 − 4
- 5
- 7
- 14
- 8
Subtraction in everyday situations
Read each problem and write a clear answer.
8.Talia has 18 shells and gives 7 to her cousin. How many shells does Talia have now? Write an equation as well as the answer.
9.There are 16 apples in a basket. Hana takes out 9 apples. How many apples remain?
10.A tray holds 20 muffins. After some are sold, 12 are left. How many muffins were sold? Write a subtraction equation.
11.Explain one way to solve 17 − 8. Include the answer and a related addition fact to check it.
2 printable pages
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