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These are practice cards for addends to 10, 20, 50, and 100. The front of the card has a number 1-20, the back has the same number plus equations revealing the addends to 10, 20, 50, and 100. Print them double-sided, cut them out, laminate them, and put them on a ring. Students can work independently or in partners to memorize their addends to 10, 20, 50, or 100.

These are practice cards for addends to 10, 20, and 50. The front of the card has a number 1-50, the back has the same number plus equations revealing the addends to 10, 20, and 50. Print them double-sided, cut them out, laminate them, and put them on a ring. Students can work independently or in partners to memorize their addends to 10, 20, or 50.

These are practice cards for addends to 10 and 20. The front of the card has a number 1-20, the back has the same number plus two equations revealing the addends to 10 and to 20. Print them double-sided, cut them out, laminate them, and put them on a ring. Students can work independently or in partners to memorize their addends to 10 or 20.

These are practice cards for addends to 10. The front of the card has a number 1-10, the back has the same number plus the equation revealing the addend to 10. Print them double-sided, cut them out, laminate them, and put them on a ring. Students can work independently or in partners to memorize their addends to 10.