Problem: Gina has 3 fish. Drew has 2 fish. Gina adds 4 new fish to her tank. Drew adds 5 new fish to his tank. Who has more fish now?
Math Topic/Concept: Addition and number comparison
Materials: Various
Classroom Use: (Developmental/Evaluation)
Grade: 1
Grade Cluster: Early Elementary
Illinois Goal: 6
Standard: B.1 and D.1
Applied? (1-4): Level 2
Source: Houghton Mifflin Mathematics, First Grade Manual, Problem of the Day, Lesson 8, 2001
Answer: They both have 7 fish each.
Strategies Listed: Modeling, Act it out, Use manipulatives
Solution: The students could use counters to show the process of addition. They could also draw pictures showing the added number of fish. They will then compare the ending numbers of fish to find the solution.
Intended rubric or assessment method: ISAT Math Rubric
Write-up submitted by: Jodi Johnson and Cyndi Fisher
James R. Olsen, Western Illinois University
E-mail: jr-olsen@wiu.edu
updated June 27, 2001