Curriculum placement
Grade 7. This describes the skill, not a learner estimate.
Word problems with signed numbers
Solve contextual problems using signed rational arithmetic
Problem types
- Signed-number stories
- Signed changes as jumps
- Complete a check register
Builds on
- Multiplying and dividing signed numbers
- Equations for addition and subtraction stories · Earlier idea
Stories about joining and separating extend to gains and losses, where the amounts can be negative or fractional.
Leads to
- Income tax, budgets, and net worth · See it applied
A net worth statement adds assets and subtracts debts, which are signed amounts.
- Solving two-step equations · See it applied
A story with gains and losses becomes a two-step equation with signed numbers.
- Linear models of a situation · See it applied
Signed changes per step describe a rate of change, and a starting amount is the initial value of a linear model.
Related skills
- Solving absolute-value equations · Shared foundations
- Simplifying complex fractions · Shared foundations
- Laws of exponents · Shared foundations
- Expanding and factoring linear expressions · Shared foundations
- Solving inequalities · Shared foundations
Open the interactive map to explore lessons and skill connections.