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Here's a set of matching cards for teen numbers with 4 notations for each number (ie: 10, 10+0, 1 ten 0 ones, and a picture of a rod). Also includes links to card sets for numbers in the 20s and 30s.

This is a FREEBIE. You match the acorn top to bottom. Then the kids record the number on the ten frame on the response sheet.

a # of activities to go along with (re)teaching the "teenager" numbers...I especially like the number line and matching activities