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Organizer
Curated OER

Circle Halves

For Students K - 1st
In this circle worksheet, students study that two semi circles make a complete circle. Students cut out the two halves of the circle and paste them together on the big circle that is shown.
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Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Fraction Concentration

For Students K - 1st Standards
Click on the "Cards" dropdown menu and choose "Fractions". Play concentration matching fractions, fraction words, and visual representations for fraction amounts. Pick numbers from 1 to 6 or 1 to 10. One or two can play this game.