Addition and Subtraction Unknown Quantities Flashcards

Addition and Subtraction Unknown Quantities Flashcards
$13.95
World Class Learning Materials  •  In Stock  •  83052
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Grades 1 - 3. 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.