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Robot Repairs

Robot Repairs
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These funky robot addition and subtraction Part-Part-Whole Activities are the perfect way for kids to learn how addition & subtraction are related. Your students will learn how to use the counting on strategy on a hundred board to solve part-part-whole math problems.
This easy no prep and engaging activity is great for numeracy rotations, guided or independent practice or a whole class lesson. Build Part-Part- Whole understanding and fluency with these write & wipe Robots. 

Suitable for
  • Fast Finishers
  • Relief Teachers
  • Parents
Lesson Structure
  • Individual Activity
  • Rotations / Group Work
  • Class Activity
Curriculum Codes

AC9M4A01 9

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

AC9M3A01 9

Recognise and explain the connection between addition and subtraction as inverse operations, apply to partition numbers and find unknown values in number sentences

ACMNA083 8.4

Find unknown quantities in number sentences involving addition and subtraction and identify equivalent number sentences involving addition and subtraction


Use equivalent number sentences involving addition and subtraction to find unknown quantities


Define a simple class of problems and solve them using an effective algorithm that involves a short sequence of steps and decisions

MA2-1WM old

Uses appropriate terminology to describe, and symbols to represent, mathematical ideas

MA2-2WM old

Selects and uses appropriate mental or written strategies, or technology, to solve problems

MA2-3WM old

Checks the accuracy of a statement and explains the reasoning used

MA2-8NA old

Generalises properties of odd and even numbers, generates number patterns, and completes simple number sentences by calculating missing values

MA2-RN-01 new

Applies an understanding of place value and the role of zero to represent numbers to at least tens of thousands

MA2-RN-02 new

Represents and compares decimals up to 2 decimal places using place value

MA2-AR-01 new

Selects and uses mental and written strategies for addition and subtraction involving 2- and 3-digit numbers

MA2-AR-02 new

Completes number sentences involving addition and subtraction by finding missing values

MA2-MR-01 new

Represents and uses the structure of multiplicative relations to 10 × 10 to solve problems

MA2-MR-02 new

Completes number sentences involving multiplication and division by finding missing values



Complete level 1.
Students can use materials or a number line to count on to find the missing number facts.


Complete Level 2.

Linked Resources & Worksheets