﻿ Year 2 Calculating
 Year 2 Maths (A Primary Topics Website) .

## Calculating

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 1. Add or subtract mentally a one-digit number or a multiple of 10 to or from any two-digit number; use practical and informal written methods to add and subtract two-digit numbers 2. Understand that subtraction is the inverse of addition and vice versa; use this to derive and record related addition and subtraction number sentences 3. Represent repeated addition and arrays as multiplication, and sharing and repeated subtraction (grouping) as division; use practical and informal written methods and related vocabulary to support multiplication and division, including calculations with remainders 4. Use the symbols +, -, ×, ÷ and = to record and interpret number sentences involving all four operations; calculate the value of an unknown in a number sentence (e.g. ☐ ÷ 2 = 6, 30 - ☐ = 24)
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