Curriculum placement
Grade 1. This describes the skill, not a learner estimate.
Counting on and counting back
Connect counting forward and backward to addition and subtraction
Problem types
- Count on or back
- How many counts?
Builds on
Leads to
- Sums and differences on a number line · Extend the idea
Counting on and back is the same as hopping forward and back along a number line.
- Skip-counting · Extend the idea
Counting on by ones extends to counting on by twos, fives and tens, which is skip counting.
- One-digit multiplication facts · Extend the idea
Counting on by the same number several times builds a multiplication fact: three groups of four is counting by 4 three times.
Related skills
- Teen numbers as a ten and ones · Related idea
Teen numbers count on from ten, the same way a count-on strategy begins at a number and moves forward one at a time.
- Add two-digit numbers · Shared foundations
- Equations for addition and subtraction stories · Shared foundations
- Telling time to the half-hour · Shared foundations
- The meaning of the equal sign · Shared foundations
Open the interactive map to explore lessons and skill connections.