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2.04 Applications of subtraction

Interactive practice questions

Find the value of $30-18-7$30187.

Less than a minute

A farmer has $88$88 sheep in a paddock and $46$46 cows in another paddock. $13$13 sheep are taken away to the wool shed, and while the farmer is away $3$3 sheep get out of the paddock through a hole in the fence.

How many sheep are in the paddock now?

Fiona has ordered $359$359 large bricks for the purpose of building a brick shed. She uses $225$225 bricks for the two side walls, $63$63 bricks for the back wall and $31$31 bricks for the front wall, leaving space for a door.

How many bricks will there be left over?

It took Caitlin $268$268 seconds to finish a race. Iain finished the race $2$2 seconds quicker than Caitlin, and Victoria finished the race $4$4 seconds quicker than Iain.

How many seconds did it take Victoria to finish the race?

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selects and applies appropriate strategies for addition and subtraction with counting numbers of any size


analyses and creates geometric and number patterns, constructs and completes number sentences, and locates points on the Cartesian plane

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