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Beginning use of + and - to gain foundation for what these symbols MEAN

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What activity supports each? Choose at least 1
How can we assess?

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5 frames and number lines??

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More abstract than rep. a set
Knowing numbers out of sequence
Subitizing cards

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Build the Fact

Match Facts to Five Frames or dominoes

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Domino cards
Subitizing cards/images
How Many am I Hiding?

How Many to 5?

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Counting on and back

Before/After

More/Less (Taylor-cox)

+1/-1

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Multiple representations!! We need to move students from concrete to abstract thinking---goal is to first be able to see the "fact" and have the flexible strategies to solve accurately, and then move towards efficiency and mentally.

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The game Compare

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Counting in sequence
AND COUNTING BACK

Inventory bags of 1-20 items, labeled A-J

ten-frame to organize set and encourage 1:1
Assessment: Counting Jar
Observe counting a set to 20
Can move to next drawer once they get to 10 but remember 20 is the goal.

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What IS a numeral? What does number mean?
Dot patterns and quantities

Parking Lot Game

Savvy Subitizing Cards

Assessment: Representing Set Benchmarks