Number Bonds to 10 with Buttons
Discover all the ways to make 10 using two colours of buttons — the single most important foundation concept for Class 1 and 2 arithmetic.
CBSE/ICSE Milestone
CBSE Class 1 Maths: addition and subtraction within 10, number bonds, part-part-whole relationships, fact fluency.
You need
- ✓10 buttons total — in 2 different colours
- ✓A 'number bond' house drawn on paper (a triangle with two circles at the bottom)
- ✓Pencil to record each bond
How to do it
- 1Draw the number bond house: a triangle with '10' at the top, two circles at the bottom for the two parts.
- 2Put all 10 buttons in one hand. Move 1 to the other. '1 and 9 make 10.' Record in the circles.
- 3Move another button across: '2 and 8 make 10.' Record.
- 4Continue through all combinations: 3+7, 4+6, 5+5, 6+4, 7+3, 8+2, 9+1, 0+10.
- 5Ask: 'Do you notice anything? 3+7 and 7+3 both make 10 — that is the commutative property!'
- 6Play 'Quick Flash': show 6 buttons of one colour — 'How many more to make 10?' Child says '4' instantly.