Teaching Resource

Subtraction Mental Computation Flashcards

PDF | 9 pages|Grades: 3 - 4

A set of 36 subtraction flashcards using single- and double-digit numbers.

These flashcards can be discussion points for students to decide which mental computation strategies best solve the equations. Alternatively, each subtraction equation can simply be solved.

The flashcards have been designed to practise the following strategies:

counting on
counting back
using doubles facts
subtracting 10 from a double-digit number
using rainbow number facts to subtract from a number ending in a zero
making tens, i.e. partitioning the subtrahend by heading towards a number that ends in zero
using the inverse operation (fact families) to solve.

While most flashcards contain the minuend and subtrahend, some flashcards have one of these missing and provide the difference instead.

Featured in

Download this resource as part of a larger resource pack or Unit Plan.

unit plan
Exploring Subtraction Strategies Unit Plan
This Mathematics unit covers a range of mental computation strategies for subtraction.

7 lessons 3

Australian

Australian Curriculum alignment

ACMNA054
Recognise and explain the connection between addition and subtraction
In Mathematics Year 3 Number and Algebra Number and place value
ACMNA055
Recall addition facts for single-digit numbers and related subtraction facts to develop increasingly efficient mental strategies for computation
In Mathematics Year 3 Number and Algebra Number and place value

Published by Teach Starter Publishing
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Find more resources for these topics

Maths Operations Subtraction Flashcards Rainbow Number Facts Doubles Maths Strategies Maths Mentals Partitioning Fact Families

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