# Complete the Sum 3

**How good are you at addition? Find out in this Complete the Sum quiz!**

In this series of 11-plus verbal reasoning quizzes, you have to find the number that will complete the sum correctly. The only operations that will be used are multiply, divide, add and subtract. Choose the correct answer from the four choices available.

You should have figured out by now that these sums are really little equations, which you will do many of when you get to secondary school. An equation is when you have to balance the numbers on each side of the equal sign, so sometimes it helps to think of the sum as being in two parts. If you can work out the numbers on the left of the equal sign, the numbers on the right will make sense.

Enjoy Complete the Sum quiz number 3!

26 + 7 = 18 + ?

13

14

15

16

Answer: 15

This is because 26 + 7 = 33. 18 + ? = 33. This makes 15 the only possible answer.

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