Addition Within 20 Color by Number: Xylophone
- Ages 6–8
- Medium
- 2 pages
- Color by number
- Answer key
- PDF: Letter & A4

Tip: tap a color, then tap any shape to fill it (or use the arrow keys and Enter). Your coloring is saved on this device automatically. To color on paper, download the Letter or A4 PDF and print it at 100%.
Up nextAddition Within 20 Color by Number: Cupcake →Every space has a sum with answers from 11 to 20. Work it out, find the answer in the key and color the space to reveal the xylophone. There are 20 sums and 8 colors, and page 2 of the PDF is the colored answer key.
For teachers and parents
- What it practises
- Addition facts within 10 and 20, checking an answer against a key, color names
- How to use it
- Solve each sum in pencil first, then color the space the color of its answer. Counters or a number line are fine. Page 2 of the PDF is the answer key.
- Time
- About 20–30 minutes
More color by code








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Printing tips
- Solve all the sums first in pencil, then color: it is easier to spot a slip before the crayon goes on.
- Times-table pages make a good early-finisher task.
- For sight words, read the key together before starting.