Numbers up to 10 into pairs
Decompose numbers up to 10 into pairs in more than one way (part-part-whole)
What a learner can do afterwards
- Show that 5 = 1 + 4, 5 = 2 + 3, 5 = 0 + 5 etc.
- Use objects or drawings to find all pairs that make a given number
- Record decompositions as equations
1 · Read
You know how to put two groups together. Now you can split one snack into two parts to share. The two parts still add up to the whole. For example, 5 can be 1 and 4, or 2 and 3. A number can split in more than one way.
Mia has 6 apples. She makes two piles: 2 apples and 4 apples. Together, they still make 6.
There is more than one way to split a number. 5 can be 1 and 4, or 2 and 3. Check by adding the parts back together.
A number splits into two parts in more than one way. The parts always add back to the whole.
Imported from hoofer-content corpus; per-item provenance in file. The rewritten reading was written for this dataset. BCcampus reading license null and unverified for this edition.
2 · Watch
Take it off screen
Where it sits
This opens up
Where this leads
Jobs that lean on this skill. Follow one to see everything it is built on.
17 questions wait behind this lesson, each with its answer explained. Every answer feeds the sky: stars light as they are learned, and dim when it is time to come back.