Grades 3 - 5. Essential practice in algebraic thinking and problem solving! 162 easy to read 6 1/4" x 3 1/4" (16cm x 8cm), double-sided flash cards, feature equations with missing numerals. Location of missing numeral varies by card.
Grades 3 - 5. Essential practice in algebraic thinking and problem solving! 162 easy to read 6 1/4" x 3 1/4" (16cm x 8cm), double-sided flash cards, feature equations with missing numerals. Location of missing numeral varies by card.