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Level Five > Number and Algebra

Primates

Student Activity: 

  

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Achievement Objectives:

Achievement Objective: NA5-2: Use prime numbers, common factors and multiples, and powers (including square roots).
AO elaboration and other teaching resources

Purpose: 

This is a level 5 number activity from the Figure It Out series. It relates to Stage 8 of the Number Framework.

Specific Learning Outcomes: 

find prime factors of numbers

Required Resource Materials: 
FIO, Levels 3-4, Basic Facts, Primates, pages 22-23
counters (two colours)
two dice marked 4, 5, 6, 7, 8, and 9
classmate
Activity: 

You may want to talk about the concept of prime factors, which can be found by using a factor tree to split composite numbers into their factors until only prime numbers remain. The final numbers are the prime factors of the composite number that you started with. For example:

factor tree.
Game
The game gives students practice in deriving prime factors and multiplying together more than two factors to give a product.
Some students may enjoy investigating whether the game board reflects the likelihood of certain numbers occurring.

Answers to Activity

It is a draw. Both have a sum of 17 uncovered.
Game
A game using prime factors

AttachmentSize
Primates.pdf844.97 KB