## third grade how to videos

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## cycle 1: first nine weeks

**Foundational Standards**

(2.NBT.1) Compose 3-digit numbers by using base ten blocks - Link

(2.NBT.3) Read and write numbers by naming parts - Link

(2.NBT.7) Three-digit addition and subtraction without regrouping - Link

**Exploring Equal Groups as a Foundation for Multiplication and Division**

(3.OA.1) Interpret products by drawing pictures - Link

(3.OA.1) Interpret products using repeated addition - Link

(3.OA.1) Interpret products using a number line - Link

(3.OA.2) Interpret the meaning of division by matching equations to real world examples - Link

(3.OA.2) Solve division problems by subtracting equal groups - Link

(3.OA.3) Solve word problems using the idea of equal groups - Link

(3.OA.3) Solve word problems about equal groups by drawing a model - Link

(3.OA.6) Interpret division as an unknown factor problem using arrays - Link

(3.OA.6) Interpret division as an unknown factor problem using fact families - Link

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**Develop Conceptual Understanding of Area**

(3.MD.5) Cover the area of a shape using square units - Link

(3.MD.5) Find the area of a shape using square units - Link

(3.MD.6) Find the area of a square or rectangle by counting unit square - Link

(3.MD.6) Determine which unit of measurement to use to find the area - Link

(3.MD.7) Find area of a rectangle by decomposing it into smaller rectangles -Link

(3.MD.7) Find area by counting square units - Link

(3.MD.7) Find area by using multiplication - Link

(3.OA.5) Understand the commutative property by naming arrays - Link

(3.OA.5) Understand the commutative property of multiplication in word problems - Link

(3.OA.5) Understand multiplication and division relationships - Link

**Relating Addition and Subtraction to Length**

(3.NBT.1) Understand the value of a digit in a multi-digit number - Link

(3.NBT.1) Find benchmark numbers using a number line - Link

(3.NBT.2) Use addition and subtraction fact families to solve for unknown amounts - Link

(3.NBT.2) Solve addition problems using complements of ten - Link

(3.MD.8) Find the perimeter of a polygon in real world problems - link

(3.MD.8) Find perimeter with missing side lengths - link

(3.MD.8) Find the perimeter of a polygon with more than 4 sides - link

## cycle 2: Second nine weeks

**Partition**

(3.G.2) Partition a shape into equal shares – link

(3.G.2) Write unit fraction as a number – link

(3.G.2) Describe a fraction as equal shares of a whole – link

**Fractions**

(3.NF.1) Represent fractions in different ways - link

(3.NF.1) Write fractions with numerator and denominator - link

(3.NF.1) Understand why the larger the denominator the smaller the fractional parts - link

(3.NF.2a) Plotting a unit fraction on a number line - link

(3.NF.2b) Identify a fraction as a point on a number line by dividing the number line into equal parts - link

(3.NF.2b) Identify a fraction on a number line using an area model - link

**Measurement**

(3.MD.2) Finding the mass of an object using a balance scale - link

(3.MD. 2) Finding the volume of liquids - link

(3.MD. 2) Solving mass and volume word problems using addition and subtraction - link

(3.MD.4) Measure to the nearest half inch and quarter inch – link

(3.MD.4) Record object measurements as mixed numbers – link

(3.MD.4) Construct and interpret a line plot – link

**Telling Time**

(3.MD.1) Identifying the start time, change of time, and end time in real-world elapsed time problems - link

(3.MD.1) Solving elapsed time word problems using number lines - link

**Round**

(3.NBT.1) Understand the value of a digit in a multi-digit number – link

(3.NBT.1) Find benchmark numbers using a number line – link

(3.NBT.1) Find the midpoint between two whole numbers – link

**Multiplication and Division**

(3.OA.2) Interpret the meaning of division by matching equations to real world examples - link

(3.OA.2) Solve division problems by subtracting equal groups - link

(3.OA.3) Solve word problems using the idea of equal groups - link

(3.OA.3) Solve word problems about equal groups by drawing a model - link

(3.OA.6) Interpret division as an unknown factor problem using arrays - link

(3.OA.6) Interpret division as an unknown factor problem using fact families – link

(3.OA.7) Multiply using doubles pattern – link

(3.OA.7) Multiply by combining known facts - link

## cycle 3: Third nine weeks

**Two Step Word Problems**

(3.OA.8) Solving two-step word problems using a model – link

(3.OA.8) Solve two-step problems using parenthesis – link

(3.OA.8) Solve two-step problems using letters to represent unknowns – link

(3.OA.8) Estimate solutions to two step word problems – link

(3.OA.8) Assess reasonableness of an answer using front end estimation – link

**Identify and Explain Arithmetic Patterns**

(3.OA.9) Identify addition and subtraction patterns using a hundreds chart – link

(3.OA.9) Identify patterns on an addition chart – link

(3.OA.9) Identify patterns on a multiplication chart – link

(3.OA.9) Identify patterns using number lines – link

**Multiply by Multiples of Ten**

(3.NBT.3) Multiply by multiples of 10 with base ten blocks – link

(3.NBT.3) Multiply by multiples of 10 using number lines – link

(3.NBT.3) Multiply by multiples of 10 using arrays – link

**Apply Properties of Operations to Multiply and Divide**

(3.OA.5) Understand the commutative property by naming arrays – link

(3.OA.5) Understand the commutative property of multiplication in word problems – link

(3.OA.5) Understand multiplication and division relationship – link

**Relate Area to the Operations of Multiplication and Addition**

(3.MD.7) Find area of a polygon using multiplication – link

(3.MD.7) Find area using multiplication in real world problems – link

(3.MD.7) Find area by breaking down a rectangle into smaller rectangles – link

(3.MD.7) Find the area of polygons with more than 4 sides – link

**Multiply and Divide with 100**

(3.OA.7) Multiply using the half-of-ten strategy – link

(3.OA.7) Multiply by subtracting from groups of ten – link

(3.OA.7) Divide using fact families – link

(3.OA.7) Understand properties of multiplication and division - link

**Equivalent Fractions**

(3.NF.3a) Identify equivalent fractions using fraction models – link

(3.NF.3a) Identify equivalent fractions using a number line – link

(3.NF.3a) Identify equivalent fractions using fraction strips – link

(3.NF.3b) Generate equivalent fractions using fraction models – link

(3.NF.3b) Generate equivalent fractions using a number line – link

(3.NF.3c) Express fractions equivalent to 1 using fraction strips – link

(3.NF.3c) Express fractions equivalent to 1 using a number line – link

(3.NF.3c) Express whole numbers as fractions - link

(3.NF.3d) Compare fractions with the same numerator by reasoning about their size – link

(3.NF.3d) Compare fractions with the same denominator by reasoning about their size – link

(3.NF.3d) Recognize when comparisons are valid by reasoning – link

## cycle 4: Fourth nine weeks

**Determine Unknown Whole Numbers in Multiplication or Division Equation**

(3.OA.4) Find the missing quotient in a division problem –

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(3.OA.4) Solve multiplication problems: using properties of 1 and 0 –

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(3.OA.4) Solve multiplication problems: using the distributive property –

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(3.OA.4) Solve division problems: using properties of 1 and 0 –

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**Apply Properties of Operations as Strategies to Multiply and Divide**

(3.OA.5) Understand the commutative property by naming arrays –

__link__

(3.OA.5) Understand the commutative property of multiplication in word problems –

__link__

(3.OA.5) Understand multiplication and division relationships –

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**Relate Area to Multiplication**

(3.MD.7b) Find the area of a rectangle: using side lengths –

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(3.MD.7b) Solve real world problems by finding the area of a rectangle –

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(3.MD.7b) Find missing side lengths by drawing arrays –

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(3.MD.7b) Given the area, find missing side lengths of a rectangle –

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**Solve Real-World and Mathematical Problems Involving Perimeters of Polygons**

(3.MD.8) Find the perimeter of a polygon –

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(3.MD.8) Find the perimeter of a square or rectangle by adding side lengths –

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(3.MD.8) Find the perimeter of a polygon in real world problems –

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(3.MD.8) Find perimeter with missing side lengths –

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**Understand Shape Categories and Attributes**

(3.G.1) Identify a polygon by its attributes –

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(3.G.1) Describe quadrilaterals by their attributes –

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(3.G.1) Identify rectangles –

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(3.G.1) Identify rhombuses -

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(3.G.1) Identify squares –

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(3.G.1) Sort quadrilaterals according to their attributes -

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**Understand Area and Arrays**

(3.OA.3) Solve multiplication problems: using arrays 2 –

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(3.OA.3) Understand multiplication problems: representing as areas –

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(3.OA.3) Find a missing quotient in a division problem –

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**Measure and Estimate Liquid Volumes and Masses of Objects**

(3.MD.2) Understand volume and how volume is measured –

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(3.MD.2) Understand mass and how mass is measured –

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(3.MD.2) Estimate mass in kilograms using benchmarks –

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(3.MD.2) Measure mass in grams –

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**Draw Scaled Picture and Bar Graphs**

(3.MD.3) Draw bars on a graph –

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(3.MD.3) Label and title a graph –

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(3.MD.3) Title and label graphs by looking at data collected –

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(3.MD.3) Determine scale increments -

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**Multiply and Divide within 100**

(3.OA.7) Multiply using doubles pattern –

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(3.OA.7) Multiply using the half-of-ten strategy –

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(3.OA.7) Multiply by subtracting from groups of ten –

__link__

(3.OA.7) Multiply by combining known facts –

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(3.OA.7) Divide using fact families -

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**Solving Two Step Word Problems**

(3.OA.8) Solving two-step word problems using a model –

__link__

(3.OA.8) Solve two-step problems using parenthesis –

__link__

(3.OA.8) Solve two-step problems using letters to represent unknowns –

__link__

(3.OA.8) Estimate solutions to two-step word problems –

__link__

(3.OA.8) Assess reasonableness of an answer using front end estimation –

__link__

**Adding and Subtracting within 1,000**

(3.NBT.2) Use addition and subtraction fact families to solve for unknown amounts –

__link__

(3.NBT.2) Solve addition problems using complements of ten –

__link__

(3.NBT.2) Solve addition problems using partial sums -

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(3.NBT.2) Solve subtraction problems: using number line -

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