1 more and 1 less than 2-digit number
In-depth Investigation: Stop the Bus!
Children write number sentences to show understanding of number order.
In-depth Investigation: Make 20
Children use coins and number shapes to make a total of 20.
Use facts and doubles to add 3 numbers
In-depth Investigation: Cross Sums
Children arrange numbers 1 to 5 on a cross to make the row and column have the same total.
Add and subtract 10, 20, 30
In-depth Investigation: Spider’s Rainbow
Children add and subtract multiples of 10 from/ to 2-digit numbers, colouring answers on a 100 square.
Find 10 more/less than 2-digit number
Use the Day 1 Group Activity as this unit’s in-depth problem-solving investigation.
Number bonds to 8 and 9; doubles
In-depth Investigation: Double Trouble
Children create matching amounts and spot things which are the same. Double Trouble from nrich.maths.org.