Please note: These are cards for student use or small group. Other subitizing products are available including poster for whole group discussions, cards for small group, and other number 1-10, 11-20, and variations with and without base ten.
Subitizing is a foundational skill students need in mathematics. These can be used in the primary grades or for remediation and intervention in the intermediate levels. These make phenomenal number talks.
Subitizing activities promote other mathematics development of skills and strategies. These include perceptual numerosity, pattern organization, spatial patterns, units, part-part whole, fractions, composition, decomposition, addition skills, compensation, grouping, quantifying, number sense, doubles, making ten and more.