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Addition and Subtraction within 1,000 (1)

Grade Level:: 3
Subject:: Math
Start Date:
End Date:
Goal Summary:: In this unit, students will learn how to add and subtract whole numbers and decide if an answer is reasonable.
Standards Met:
Essential Questions:: How can you use properties to explain patterns on the addition table?
How can you round numbers?
How can you use compatible numbers and rounding to estimate sums?
What mental math strategies can you use to find sums?
How can you add more than two addends?
How can you use the break apart strategy to add 3-digit numbers?
How can you use place value to add 3-digit numbers?
How can your use compatible numbers and rounding to estimate differences?
What mental math strategies can you use to find differences?
How can you use place value to subtract 3-digit numbers?
How can you use the combine place value strategy to subtract 3-digit numbers?
How can you use the strategy DRAW A DIAGRAM to solve 0ne- and two-step addition and subtraction problems?
Understandings:: Click to enter the understandings you want students to have. Understandings are fact-based conclusions that require inquiry before they are grasped. These are often described in a 'Students should understand that' statement.
Content Goals:: Click to enter your content goals. These comprise the raw information that students should know at the end of the unit.
Skill Goals:: Click to enter your skill goals. These are usually described in a 'Students will be able to' statement.
Other Information:: Click to enter. This field is good for key information that does not fit into one of the other sections.
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Reflection:: Click to enter. Your reflection should be entered as you progress through and complete your unit. Evaluating what worked well and what could be improved will further your professional development, and help any teachers looking to build off your unit.

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Addition and Subtraction within 1,000 (1)

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