Odd and Evens patterns- NRICH

How can we sort and classify numbers- What makes a number even?

What makes a number odd?

How can we show if a number is even?

How can we prove a number is odd?

https://nrich.maths.org/early-years-old

Make available multilink or unifix plastic cubes.

Have students work together to make a cube model of each of the even numbers to at least 10, depending on the number of cubes available. Have them discuss (and record) what they notice.

Draw what you find. What is the rule? What happens if we keep extending the pattern

What is my rule about even numbers?

How can we prove this?