Adding a one-digit number and a two-digit number Adding two two-digit numbers Subtracting two digits Activity 1 Activity 2 Adding a one-digit number and a two-digit number To add a one-digit ...

2, 3, 4 units make 4. 50 add 4 equals 54. Fin and Snoot add up some of their favourite snacks: space grubs and astro bugs. How can reordering numbers into number bonds help me add them?