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Solve addition and subtraction problems, including word problems involving two-and-three digit numbers. Complete in addition and subtraction sentence with missing addends including inverse relationships between and addition and subtraction. |
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Look at the items. Add one (or subtract one) and write down that number. |
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Students learn how to partition numbers. |
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Formatting numbers for decimals. Students will learn to understand the place value of every number. |
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Develop and analyze strategies for adding and subtracting numbers. |
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Estimate sums and differences. |
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Teach students the meaning of adding and subtracting. |
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Add and subtract decimals to solve problems. Solve problems involving money. |
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Practice twin numbers up to 20. |
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Students will estimate to judge if answers are reasonable in addition, subtraction, division, and multiplication problems. |
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Develop fluency with addition and subtraction of non-negative rational numbers with unlike denominators. |
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A clear and simple bead necklace. |
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Use fraction models to add and subtract fractions with unlike denominators, and progressing to solve addition and subtraction problems without modeling. |
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Students use addition, subtraction, doubling and halving to solve story problems. |
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Add and subtract decimals, with instruction and practice targeted at correctly organizing numbers to avoid typical computational errors. |
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Identifying and placing numbers and/or decimals. |
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