standard_description: Partition circles and rectangles into two and four equal shares, describe the shares using the words halves, fourths, and quarters, and use the phrases half of, fourth of, and quarter of. Describe the whole as two of, or four of the shares. Understand for these examples that decomposing into more equal shares creates smaller shares.
problem_activity: Narrative
The purpose of this activity is for students to choose from activities focusing on two-digit numbers. Students are introduced to stage 6 of the Five in a Row center. Then students choose between that center or others previously introduced.
Students choose from any stage of previously introduced centers.
Five in a Row
Get Your Numbers in Order
Grab and Count
Required Materials
Materials to Gather
Materials from previous centers
Paper clips
Two-color counters
Materials to Copy
Five in a Row Addition and Subtraction Stage 6 Gameboard
Required Preparation
Gather materials from previous centers:
Five in a Row, Stages 1-6
Get Your Numbers in Order, Stage 1
Grab and Count, Stage 2
Launch
Groups of 2
“Now you will choose from other centers we have already learned. One of the choices is to play Five in a Row with a new gameboard. On this gameboard you will add 2 two-digit numbers that make a new ten.”
Display the center choices in the student book.
“Think about what you would like to do first.”
30 seconds: quiet think time
Activity
8 minutes: center work time
“Choose what you would like to do next.”
8 minutes: center work time
Student Facing
Choose a center.
Five in a Row
[IMG]
Get Your Numbers in Order
[IMG]
Grab and Count
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Activity Synthesis
“What did the centers you chose help you work on?”


aligns: no