Unit 1, Lesson 4
More Work with 1 and 2
Grade 1
Warm-up
Find the value of each expression mentally.
Activity 2
Choose a center.
Counting Collections
Number Race
Check It Off
Five in a Row: Addition and Subtraction
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Find the value of each expression mentally.
Choose a center.
Counting Collections
Number Race
Check It Off
Five in a Row: Addition and Subtraction