KS2 Primary Maths Age 9-13 - Ratio, Proportion and Algebra: Combinations - Explained

The video tutorial explains how to choose colors for a team shirt, which involves selecting two colors from four options: yellow, blue, white, and red. The instructor demonstrates a methodical approach to identify missing color combinations by listing all possible pairs. The missing combinations identified are blue-red and white-red. The process involves verifying each combination to ensure completeness.

How many colors are available for Adam to choose from for the team shirt?

• Three

• Five

• Two

• Four

Which of the following is a valid combination starting with yellow?

• Yellow-Purple

• Yellow-Blue

• Yellow-Black

• Yellow-Green

After listing combinations with yellow, which color does Adam pair next?

• Green

• Red

• White

• Blue

Which combination is identified as missing by Adam?

• Yellow-White

• Blue-Red

• Blue-White

• Yellow-Red

What is the last combination Adam identifies as missing?

• White-Red

• Yellow-Blue

• Blue-Red

• Yellow-White