KS2 Primary Maths Age 9-13 - Number - Problem: - Explained

The video tutorial explains how to find two numbers that add up to 25, where one number is 7 more than the other. Initially, a trial-and-error method is considered, but the instructor opts for a more systematic approach. By subtracting 7 from 25 and dividing the result by 2, the instructor finds the smaller number to be 9 and the larger number to be 16. The solution is verified, and alternative methods are briefly discussed.

What is the sum of the two numbers in the problem?

• 20

• 25

• 35

• 30

How much more is the larger number compared to the smaller number?

• 7

• 8

• 6

• 5

What is the first step in the method used to solve the problem?

• Subtract 7 from 25

• Add 7 to 25

• Divide 25 by 2

• Multiply 25 by 2

What is the smaller number in the solution?

• 11

• 9

• 8

• 10

What alternative method is mentioned for finding the two numbers?

• Using a calculator

• Trying different number pairs

• Using a computer program

• Guessing randomly