Math · Ages 5–7 · 12 minutes

Number Bonds to 20: Ten-Frame Bridge

Two ten-frames make the structure of teen numbers visible: fill one ten first, then count the extra ones.

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BrightPath

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Today I am practising: composing teen numbers from ten and ones

Shade 13 on two ten-frames. Complete 10 + ___ = 13.

Show 17. Circle the full ten-frame and count the extra dots.

For 15, write the two parts as 10 and ___.

A frame shows 10 red counters and 8 blue counters. Write the whole.

Draw 19 as a full frame plus extra dots. What is the missing part?

Choose 11, 14, or 16. Explain why one frame is always full.

Grown-up note: Ask your learner to explain one answer in their own words.

For the grown-up

How to teach this page

Step 1Have the child touch-count only the second frame after identifying the full ten.
Step 2Use two colours for the full ten and the extras when possible.
Step 3Connect '10 and 7' to '17' before asking for the equation.