## Mi Math Standards

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### Troy Patterson

#### 3.MD.C.7c

Use tiling to show in a concrete case that the area of a rectangle with whole-number side lengths a and b + c is the sum of a × b and a × c. Use area models to represent the distributive property in mathematical reasoning.

03

#### 3.MD.C.7d

Recognize area as additive. Find areas of rectilinear figures by decomposing them into non-overlapping rectangles and adding the areas of the non-overlapping parts, applying this technique to solve real world problems.

03

#### 3.MD.D

Grade 3 » Measurement & Data » Geometric measurement: recognize perimeter.

#### 3.MD.D.8

Solve real world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths, finding an unknown side length, and exhibiting rectangles with the same perimeter and different areas or with the same area and different perimeters.

03

#### 3.NBT.A

Grade 3 » Number & Operations in Base Ten » Use place value understanding and properties of operations to perform multi-digit arithmetic.¹

#### 3.NBT.A.1

Use place value understanding to round whole numbers to the nearest 10 or 100.

03

#### 3.NBT.A.2

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.

03

#### 3.NBT.A.3

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.

03

#### 3.NF.A

Grade 3 » Number & Operations—Fractions¹ » Develop understanding of fractions as numbers.

#### 3.NF.A.1

Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.