18) Fluency Halves
Doubling and Halving to 10: Filling a Wall
Develop fluency with one half of the wholes 2, 4, 6, 8, 10.
- one half of
- equals as “is”
- double bond: a two-part bond, where both parts are the same
A little easier
Represent “one half of” with fingers
Support recall by using fingers to develop fluency with one half of a double bond.
Click this link to read Teacher Notes for more information about using counters and fingers to support learning number bonds.
A little harder
Students who have completed up to Ten Plus Bonds: Addition and Subtraction Ten and One can complete a similar activity for wholes in the teens. Complete Activity 59 Doubling and Halving to 20: Fluency Halves Filling a Wall.
In the next activity students build on double bonds using the addition strategy of near doubles. Go to
Doubling and Halving to 10: Near Double, Strategy Concept