Colourful Counters
Explore values when combining and partitioning numbers
An exploration tool ideal for modelling the composition of numbers, addition and number facts.
Learning Objectives:
- EYFS: Have a deep understanding of number to 10, including the composition of each number
- Y1: Represent and use number bonds [and related subtraction] facts within 20
- Y2: Solve problems with addition [and subtraction] using concrete objects and pictorial representations
- Y2: show that addition of two numbers can be done in any order (commutative)
Instructions:
- Drag on new counters from the dispenser.
- Drag one counter over another to add them together.
- Make copies of the last counter that you pressed.
- Split counters into smaller amounts by pressing on the counter then pressing on 'split'
- (Colours change to a factor from the dispenser).
- (Primes greater than 5 are red as they're divisible by 1).
- Units, tens and hundreds can be split; thousands will not.
Have fun!
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