MA19.3.3
Solve word situations using multiplication and division within 100 involving equal groups, arrays, and measurement quantities; represent the situation using models, drawings, and equations with a symbol for the unknown number.
Solve word situations using multiplication and division within 100 involving equal groups, arrays, and measurement quantities; represent the situation using models, drawings, and equations with a symbol for the unknown number.
Unpacked Content
UP:MA19.3.3
Vocabulary
- Equal groups
- Arrays
- Measurement division
- Factor
- Product
- Quotient
- Partitive division
- Represent
- Unknown
Knowledge
Students know:
- Multiplication situations can be related to division contexts by identifying the total number of groups and the number of items in a group.
- Strategies to solve problems involving multiplication and division.
Skills
Students are able to:
- Use models, drawings, and equations to represent a multiplication or division situation.
- Use symbols to represent unknownquantities in equations.
- Solve word situations with multiplication and division within 100 involving equal groups, arrays, and measurement quantities.
Understanding
Students understand that:
- a word problem with an unknown product is a multiplication problem, and a word problem with an unknown number of groups or an unknown group size can be thought of as a division problem or a multiplication problem with an unknown factor.