Count to 100
Count in 2s
Double 1–5 and halves
Finding doubles up to double 5
Finding and beginning to know by heart doubles from double 1 to double 10
Halving even numbers to 20
Y1: Sock Doubles
Children double numbers 1 to 5 as part of a game, and find which answers from 1 to 10 are possible.
Y2: Digit Sums
Children find the sum of the digits in a sequence of numbers and compare the pattern found to that identified in the digits sums of the doubles.
Y1: Double numbers 1-6, or 2-10.
Y2: Find the doubles of numbers on a dartboard: 1-10 or 11-20.
Y1: Recognise and order odd and even numbers 2-10 or 9-17.
Y2: Halve cake prices 2p-36p.
Y1: Recognise odd and even numbers 2-9 or 2-15.
Y2: Double numbers 4-15; halve again. Use fraction strips to find missing numbers in doubling and halving sentences.
Y1: Happy Halving
Spend time on this investigation to secure children’s understanding that each of 2 halves must be equal in size. Happy Halving from nrich.maths.org.
Y2: Birthday Cards
Finding halves of shapes by folding