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

The video tutorial explains how to determine the initial amount of money Lara had before spending on a drink and a sandwich. It involves calculating the total spent, understanding that 3/4 of her money was left, and deducing that the spent amount represents 1/4 of her total money. By multiplying the spent amount by four, the initial total is found to be £11.40. The tutorial emphasizes understanding fractions and basic arithmetic operations to solve the problem.

What did Lara spend her money on?

• A drink and a sandwich

• A book and a pen

• A movie ticket and popcorn

• A bus ticket and a coffee

How much money did Lara spend in total?

• £2.50

• £2.85

• £3.00

• £1.85

What fraction of her money did Lara spend?

• 1/5

• 1/4

• 1/3

• 1/2

If £2.85 is 1/4 of Lara's money, what is the total amount she had initially?

• £13.50

• £12.00

• £11.40

• £10.00

How many marks are awarded for this question in the video?

• Three marks in total

• Two marks for the correct method

• Two marks in total

• One mark for the final answer