Numeration Level 3 Step 1

by Learning Wrap Up
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This set includes 144 challenges (12 cards with 12 challenges per card) and focuses on UNDERSTANDING and OPERATING with 3 and 4 digit numbers, NAMING NUMBERS using Base Ten pictorial representations, and ESTIMATING, including ROUNDING and ESTIMATING SUMS and DIFFERENCES as a prerequisite to ADDING and SUBTRACTING 3 and 4 digit numbers with and without REGROUPING.