In Numeracy this week we have been practising our halving and doubling.  Choose a challenge below and have a go at halving and doubling the numbers.

Challenge 1:  10, 2, 16, 4, 14, 8  

Challenge 2:   22, 18, 24, 26, 28, 20      

Challenge 3:    30, 28, 40, 64, 50, 60, 84, 100

Challenge 4:    300, 450, 1000, 440, 280, 880, 2000