In Grade 3, instructional time should focus on four critical areas: (1) developing understanding of multiplication and division and strategies for multiplication and division within 100; (2) developing understanding of fractions, especially unit fractions (fractions with numerator 1); (3) developing understanding of the structure of rectangular arrays and of area; and (4) describing and analyzing two-dimensional shapes.
Use place value understanding and properties of operations to perform multi-digit arithmetic.
Use place value understanding to round whole numbers to the nearest 10 or 100.
| Content | Skills | Learning Targets | Big Ideas | Essential Questions |
|---|---|---|---|---|
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Place value
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3 - Use (place value understanding to round whole umbers to the nearest 10)
3 - Use (place value understanding to round whole umbers to the nearest 100)
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3 - I can use place value understanding to round whole umbers to the nearest 10.
3 - I can use place value understanding to round whole umbers to the nearest 100.
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A. Rounding is a way of approximating numbers.
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A.1 When would I use a rounded number? Why would I use a rounded number?
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Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
| Content | Skills | Learning Targets | Big Ideas | Essential Questions |
|---|---|---|---|---|
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2 - Add (numbers within 1000 with fluency)
2 - Subtract (numbers within 1000 with fluency)
3 - Use (strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction)
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2 - I can add numbers within 1000 with fluency.
2 - I can subtract numbers within 1000 with fluency.
3 - I can use strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
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A. Adding and subtracting quickly makes problem solving faster and easier.
B. Several strategies can be used to aid in solving addition and subtraction problems.
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A.1 Why do I use place value when I add or subtract?
B.1 What can I do if I need some help adding or subtracting numbers?
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Multiply one-digit whole numbers by multiples of 10 in the range 10–90 (e.g., 9 × 80, 5 × 60) using strategies based on place value and properties of operations.
| Content | Skills | Learning Targets | Big Ideas | Essential Questions |
|---|---|---|---|---|
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2 - Multiply (one-digit numbers by multiples of 10 in the range from 10 to 90)
3 - Use (strategies based on place value and properties of operations)
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2 - I can multiply one-digit numbers by multiples of 10 in the range from 10 to 90.
3 - I can use strategies based on place value and properties of operations.
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A. Knowing the number facts and properties of operations makes computation faster and easier.
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A.1 What properties will help me with multiplication?
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