Concentration (constant difference)
A thinking mathematically context for practise, focused on identifying related subtraction equations with a constant difference.
Syllabus
Syllabus outcomes and content descriptors from Mathematics K–10 Syllabus (2022) © NSW Education Standards Authority (NESA) for and on behalf of the Crown in right of the State of New South Wales, 2024.
Outcomes
- MAO-WM-01
- MA1-CSQ-01
Collect resources
You will need Constant difference cards (PDF 1.1 MB).
Instructions
- To set up a game of concentration (also known as memory or pairs), first shuffle the cards well and then place each card face down.
- Each player takes a turn by turning two cards over.
- If the cards match, then the player picks up the cards and keeps them.
- If they don't match, the player turns the cards back over.
- You can also play by yourself.