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Number bonds
See how two parts make a whole — the foundation of all mental math.
Goal
Find pairs that sum to 5, 10 and 20 without counting fingers.
Duration
~15 min · 4 items
1
Warm up
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Tap two tiles that bond to the target.
2
Warm up
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Sort the pairs that make 10.
3
Practice
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Add within 10.
4
Check
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One last quick check.
Next concept
Times tables