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Sharon Sinclair

4️⃣ 3-Digit Addition (regroup ones and tens) Lessons and Practice

promptContainer.gradesColon long.2, long.1, long.3
promptContainer.subjectsColon Math
promptContainer.standardsColon Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds. (2.NBT.7.)

promptContainer.studentInstructions

🎯 I can add 2-digit numbers using a variety of methods and tools. Click add Watch each instructional video to learn how to use various tools to solve addition equations, then practice using those tools. On pages 12-19, you select the tool to use. On page 20, take the mini-test and decide on your next steps. Click draft if not done or check if done!

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