This is a set of 32 colorful subitizing cards for numbers 1-10. Dots are in one and two colors.
Print, cut and laminate cards for repeated use.
Flash the cards for only a few seconds. Ask students to signal (thumbs up, etc.) when they think they know how many dots are on the card. The quick look discourages the tendency to count by ones.
The cards are a great tool for warm-ups or math meetings, small groups, or centers.
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