Base Ten math flash cards for primary counting and basic math lessons. Perfect for learning those difficult teen numbers! Includes number cards 1 through 20 plus five basic math symbols. Number cards feature base ten cubes that visually reinforce math principles. Make multiple copies on stock card to use for simple addition/subtraction, greater than, less than, sequencing, and counting on.
Also includes innovative flip book for building numbers 11 through 19 and 21 through 29 - helps teach the pesky teens and twenties
Supports Common Core K.CC.1, K.CC.2, K.CC.4.