Practice Flashcards: KS2 Mathematics: Ratio, Proportion and Algebra | Zestly

Question 1

Simplifying a ratio

Accepted Answer

Divide both numbers in the ratio by their greatest common divisor. For example, 10 to 15 simplifies to 2 to 3 by dividing both by 5.

Question 2

Sharing in a ratio

Accepted Answer

Add the parts of the ratio together to find the total number of parts. Divide the total amount by the number of parts to find the value of one part, then multiply by each ratio share.

Question 3

Scaling a recipe

Accepted Answer

Find the amount needed for one unit by dividing the given quantity by the original number of servings. Multiply this unit amount by the new number of servings required.

Question 4

Solving for a missing number

Question 5

Two-step algebra

Question 6

Map scale calculation

Question 7

Finding a sequence term

Question 8

Equivalent ratios

Question 9

Proportion with money

Question 10

Inverse operations

Question 11

Ratio parts

Question 12

Algebraic formula