Adding 2 or more numbers mentally

Maths

Problem solving with whole numbers and decimals

2 consecutive numbers have a sum of 31. What are the 2 numbers?

The sum of 2 consecutive numbers is equal to the smaller number multiplied by 3.

The sum of 3 consecutive numbers is equal to the larger number multiplied by 3.

The sum of 3 consecutive numbers is equal to the middle number multiplied by 2.

The sum of 3 consecutive numbers is equal to the middle number multiplied by 3.

3 consecutive numbers have a product of 6. What are the 3 numbers?

The sum of 4 consecutive numbers is equal to 26. What are they?

Which consecutive numbers below do not have the same sum as the others?

I buy three souvenirs for £2.90, £3.60 and £4.10. How much did I spend in total?

A lemonade costs £2.25. I buy 2 for me and my friend and I pay with a £10 note. How much change do I receive?

I buy a meal deal and a tub of cream from the shops. I pay with a £10 note and receive £4.75 in change. How much did I spend on the meal deal and the tub of cream

A child's cinema ticket costs £4.60 and an adult cinema ticket costs £8.55. If I spent a total of £26.30, which tickets did I purchase?

A child's cinema ticket costs £4.60 and an adult cinema ticket costs £8.55. If I received £27.65 from a £50 note, which tickets did I purchase?

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Adding 2 or more numbers mentally

Lesson outcome