AC9M4A01Year 4AlgebraPractised on site

AC9M4A01 — Year 4 Algebra

Official Curriculum Content Description:

find unknown values in numerical equations involving addition and subtraction, using the properties of numbers and operations

Worked Examples (1)

Example 1Number Sentences & Missing Value Equations
Find the unknown value in the equation: 54+□=6854 + \square = 68
Common mistake: Using the wrong inverse operation.
Correct Answer:1414
Worked Solution:
To find the missing number in 54+□=6854 + \square = 68, use inverse subtraction: □=68−54=14\square = 68 - 54 = 14

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