Free worksheets · Kindergarten
Make 10 with a Rainbow Worksheet
Use a rainbow that joins the pairs of numbers making 10 to find each missing number, from 0 + ? = 10 to 10 + ? = 10.
Free printable
Make 10 with a Rainbow
10 questions, one page, US Letter. Print it and do it on paper.
On the sheet: Use the rainbow of number pairs. Write each missing number to make 10.
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About this worksheet
The rainbow is a number line from 0 to 10 with arcs joining partners that add to 10: 0 and 10, 1 and 9, 2 and 8, 3 and 7, 4 and 6, and 5 with itself. The sheet goes through every pair, so a child sees all eleven ways to make 10.
Knowing the pairs that make 10 by heart is one of the most useful facts in early math. Later, 8 + 5 becomes 8 + 2 + 3, and 13 - 4 becomes 13 - 3 - 1, both built on these pairs.
A worked example
3 + ? = 10
- Find 3 on the rainbow.
- Follow its arc to the other end: it lands on 7.
- Write 7 in the box.
- Check by counting up from 3 to 10: 4, 5, 6, 7, 8, 9, 10 is seven counts.
Answer: 3 + 7 = 10
The common mistake
What it looks like: Following the wrong arc and landing one number off, writing 6 or 8 for 3 + ? = 10.
Why it happens: The arcs sit close together near the middle, and a small finger can slip to the neighboring color.
How to fix it: Trace the arc with a finger from end to end, then check that the two numbers really add to 10 by counting up.
Ten minutes a day, on paper. We plan what comes next.
A printed page and a pencil. No screen, no login for your child. Snap a photo when they’re done: AI scores it, and what they missed comes back on the sheets that follow.
- Mon Make 10 with a Rainbow
- Tue What they missed, back again
- Wed The next step, when they’re ready
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