Friday
This week, we have been adding and taking away 10 from a two-digit number. Continue to practise this. Here are the steps
1. Choose a two digit number(see if you can do 15 please)
2. Add 10
3 Work out the total. Now represent this using the part-part -whole method.
Underneath, write your two additions and then work out the inverse subtractions.
Here is an example
45+ 10=55
10+45=55
55-10=45
55-45=10