Our KS1 Reasoning Inverse Operations questions have been taken from the 2017 KS1 Reasoning test to help your children practise specific question types.
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This pack includes:
Beginner Use the inverse operation to solve one-step missing number problems using numbers within 10. Aimed at Year 1 Developing.
Easy Use the inverse operation to solve one-step missing number problems using numbers within 20. Aimed at Year 1 Secure.
Tricky Use the inverse operation to solve two-step missing number problems using numbers within 10. Aimed at Year 2 Developing.
Expert Use the inverse operation to solve two-step missing number problems using numbers within 20. Aimed at Year 2 Secure.
Brainbox Use the inverse operation to solve two-step missing number problems using numbers within 50. Aimed at Year 2 Secure.
Genius Use the inverse operation to solve two-step missing number problems using two 2-digit numbers and multiples of ten. Aimed at Year 2 Greater Depth.
National Curriculum Objectives
Mathematics Year 1: (1C2b) Read, write and interpret mathematical statements involving addition (+), subtraction (–) and equals (=) signs
Mathematics Year 1: (1C4) Solve one-step problems that involve addition and subtraction, using concrete objects and pictorial representations, and missing number problems such as 7=_________ 9
Mathematics Year 2: (2C3) Recognise and use the inverse relationship between addition and subtraction and use this to check calculations and missing number problems
Mathematics Year 2: (2C2b) Add and subtract numbers using concrete objects and pictorial representations, including: a two-digit number and ones; a two-digit number and tens; two two-digit numbers; adding three one-digit numbers
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