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Count 2s, 3s, 5s, 10s; multiples of 2, 5, 10
In-depth Investigation: Mixed Bags
Children look for multiples of 2p and 5p, then 3p and 5p with given totals to solve a problem.
Add by partitioning or counting on
In-depth Investigation: Diagonal hundreds
Children use trial and improvement to place numbers in a grid to give a pair of diagonals whose sum is equal to 100.
Choose strategies to subtract
In-depth Investigation
Use and apply skills from this unit by completing the ‘Problem-writing’ group activity from Day 3.
Multiply by 2, 5 and 10
In-depth Investigation: Odd Times Even
Try multiplying any odd and even number together. Use different models to show this. Can children make any observations or generalisation about what happens when you multiply an odd and an even number? Odd Times Even from nrich.maths.org.
How to find amounts of money
In-depth Investigation: One Pound Names
Children add up amounts to find out how much their name is worth! They try to give themselves a new name that is worth exactly a pound.
Use facts, patterns, PV to add/subtract
In-depth Investigation: Cross Additions
Using number facts including pairs to 10 children find totals of five numbers less than 10 to give different totals.