L.O: To subtract by counting up (M7b/M7c)
Wish 1: I can identify the next multiple of 10.
Wish 2: I can hop to next 10 then on.
Wish 3: I can subtract two 2-digit numbers.
Children are to write the numbers in the book and next to them they are to write the next multiple of 10
e.g. 45 – 50, 123 – 130
Explain to children that today they will solve subtractions.
Explain that ‘frog’ (an imaginary frog) help us work out the difference between two numbers. He will help us to subtract a smaller number from a larger number!
What are frogs really good at? Jumping! Maths Frog will subtract by jumping!
Look at the images below to demonstrate how to work out 43 - 36 =
Subtract by counting up textbook sheet.
Complete page Y3 TB1 p46.
At the top of the page it says 'Grab a bead string' - You do not need to use this.
Use the method shown above to complete the subtractions using Frog Method.