Curriculum placement
Grade 2. This describes the skill, not a learner estimate.
Two-step word problems
Represent and solve two-step addition and subtraction stories
Problem types
- Match a story and a number sentence within 1,000
- Follow two changes
- Choose the linked equations for a time-remaining story
Builds on
- Subtracting within 100
- Equations for addition and subtraction stories
- Finding a missing number · Useful idea
Finding how many were there at the start of a story is an unknown addend: start plus change equals end.
Leads to
- Multi-operation word problems
- Profit, cost, and taxes · See it applied
Costs and incomes in two steps give the amount left or the profit.
- Solving two-step equations · Extend the idea
A two-step story becomes a two-step equation when the unknown is the start or the amount in each group.
Related skills
- Sums and differences on a number line · Shared foundations
- Regrouping within 1,000 · Shared foundations
Open the interactive map to explore lessons and skill connections.