Elliot thinks that the missing number is 1,180. Show by estimating that Elliot has made a mistake. a) What mistake has Elliot make? Estimate and use inverse operations to check answers to a ...

A bundle of NO PREP worksheets where students will use the bar model to look at inverse operations for years 1 - 5. The bar model is great to help children visualise and solve problems and is becoming ...

Make sure you are confident in calculating with negative numbers, which is a skill often needed to solve equations. To solve the equation, do the inverse operation. The inverse of subtracting 8 is ...

Learn about inverse operations with Zoe Kleinmann. Learn about inverse operations while playing a math game with Zoe Kleinmann and Milena. Explore how addition and subtraction are inverse operations.

Rearranging the formula for the circumference of a circle makes the radius the subject. Start with the new subject and write out the function machine for the formula, showing each operation step by ...