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Instead of 100 board cut-outs, try these number puzzles. Students work on one more, one less, ten more, and ten less while putting them together.

Dice game to play using a number line: we have a GIANT -100 to 100 number line and 20-sided die to play with. To make it more challenging, use two dice--one for adding, and one for subtracting.

from What I Have Learned

Number Puzzles for Math Stations

My students love these number puzzles. They are a great way to practice different strategies for adding and subtracting two-digit and three-digit numbers. They help students play with decomposing numbers to build addition and subtraction math strategies for second grade.

from Mom 'N Daughter Savings

10 Educational Crafts for family fun