Help your class to visualise subtraction sums under 20, without carry over, in every combination with these rainbow subtraction splits in 90 png images in dimensions 1512 pixels x 1512 pixels.

You can use them to make:

• flash cards and task cards
• worksheets and handouts
• displays and posters
• presentations and games

For class work, homework and tutoring in solo, pair and group work.

Commercial use licence included: For personal and commercial use, not to be resold as is.

Sums covered in this set: 20-1, 19-1, 18-1, 17-1, 16-1, 15-1, 14-1, 13-1, 12-1, 10-1, 9-1, 8-1, 7-1, 6-1, 5-1, 4-1, 3-1, 2-1, 20-2, 19-2, 18-2, 17-2, 16-2, 15-2, 14-2, 13-2, 10-2, 9-2, 8-2, 7-2, 6-2, 5-2, 4-2, 3-2, 20-3, 19-3, 18-3, 17-3, 16-3, 15-3, 14-3, 10-3, 9-3, 8-3, 7-3, 6-3, 5-3, 4-3, 20-4, 19-4, 18-4, 17-4, 16-4, 15-4, 10-4, 9-4, 8-4, 7-4, 6-4, 5-4, 20-5, 19-5, 18-5, 17-5, 16-5, 10-5, 9-5, 8-5, 7-5, 6-5, 20-6, 19-6, 18-6, 17-6, 10-6, 9-6, 8-6, 7-6, 20-7, 19-7, 18-7, 10-7, 9-7, 8-7, 20-8, 19-8, 10-8, 9-8, 20-9, 10-9

Covering ACARA Maths Standards:

• AC9M1N04 - add and subtract numbers within 20, using physical and virtual materials, part-part-whole knowledge to 10 and a variety of calculation strategies

And ACARA Maths Capabilities:

• Additive strategies – P5 Counting back (by ones)
• Additive strategies – P6 Flexible strategies with combinations to 10

NSW Maths Outcomes:

• MAE-CSQ-02: represents the relations between the parts that form the whole, with numbers up to 10

VIC Maths Outcomes:

• VC2M1N04: add and subtract numbers within 20, using physical and virtual materials, part-part-whole knowledge to 10 and a variety of calculation strategies