# Circus towers: Square stacks

Work out how many acrobats are needed to form square-shaped human towers. How many in the base? How many acrobats altogether?

Year level(s) Year 3, Year 4, Year 5, Year 6
Audience Student
Format Interactive
Keywords games

## Curriculum alignment

Strand and focus Number, Algebra
Topics Multiplication and division, Patterns and algebra
AC: Mathematics (V9.0) content descriptions
AC9M3A03
Recall and demonstrate proficiency with multiplication facts for 3, 4, 5 and 10; extend and apply facts to develop the related division facts

AC9M4A02
Recall and demonstrate proficiency with multiplication facts up to 10 x 10 and related division facts; extend and apply facts to develop efficient mental strategies for computation with larger numbers without a calculator

AC9M5N02
Express natural numbers as products of their factors, recognise multiples and determine if one number is divisible by another

AC9M6N02
Identify and describe the properties of prime, composite and square numbers and use these properties to solve problems and simplify calculations

Numeracy progression Multiplicative strategies (P5, P6, P9)
Number patterns and algebraic thinking (P4)

Organisation

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