Mike's Marbles

Mike wants to find 10 marbles. Mike finds 3 red marbles. Mike finds 3 blue marbles. Mike finds 3 green marbles. Does Mike find 10 marbles? Show and tell how you know.

More Accessible Version

Mike wants to find 5 marbles. Mike finds 2 red marbles. Mike finds 1 blue marble. Mike finds 1 green marble. Does Mike find 5 marbles? Show and tell how you know.

More Challenging Version

Mike wants to find 11 marbles. Mike finds 4 red marbles. Mike finds 4 blue marbles. Mike finds 2 green marbles. Does Mike find 11 marbles? Show and tell how you know.

Plan

Underlying Mathematical Concepts

Possible Problem-Solving Strategies

Formal Mathematical Language and Symbolic Notation

A student may independently select a printed number line, number chart, ten frames, graph paper, etc. as they work on a task.

Download printable resources for student representations.

Suggested materials

Engagement Image:

Teachers may project the image below to launch this task for their students, define nouns, promote discussion, access prior knowledge, and inspire engagement and problem solving.

Click image to enlarge

Possible Solutions

Solutions tabs

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