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Understanding surface area of 3D shapes

NY.3.MD.5

Introduction to surface area of 3-dimensional shapes

NY.3.MD.6

Area - unit squares and pattern blocks

Area by Unit Squares

NY.3.MD.7

Square measure

Converting Square Units

Calculate the Square Area

NY.3.MD.8

Perimeter: Grid squares and polygons

Perimeter of Polygons

Perimeter Equation of Polygons

NY.3.NBT.1

Addition using Estimation

Add By Estimation — Up to 1000

Subtraction using Estimation

Subtract By Estimation — Up to 1000

Rounding numbers

Rounding Decimals

Rounding Integers — Up to 9999

NY.3.NBT.2

Adding with Digits Up to 1000

Add By Digits — Up to 1000

Adding with Doubles Up to 1000

Adding Doubles — Up to 1000

Simplifying Addition by Making 10s

Making Tens to Add

Addition with Tens and Ones

Adding By Tens — Up to 1000

Simplifying Addition by Separating

Addition by Separation — Up to 1000

Addition by Separation — Up to 999

Addition with Regrouping Up to 1000

Add By Regrouping — Up to 1000

Addition Tables Up to 1000

Add By Number Table — Up to 1000

Subtracting with Digits Up to 1000

Subtract By Digits — Up to 1000

Subtraction with Regrouping Up to 1000

Subtract with Regrouping — Up to 1000

NY.3.NBT.4

Place Value Tables of Multi-Digits

Place Value Tables — Multi-Digit

Identifying the Place Value of a Digit

Place Value of a Digit — Multi-Digits

Expanded Form of Multi-Digits

Place Values in Expanded Form — Up to 10K

Place Values in Expanded Form — Up to 999

Converting Between Place Values of Multi-Digits

Conversions To and From — Up to 9999

Reading and Writing Digits

Reading and Writing Digits — Up to 20

Reading and Writing Digits — Up to 99

Comparing Values of Multi-Digits

Place Value Comparing Numbers — Up to 999

Regrouping Place Values of Multi-Digits

Place Values Regrouping — Up to 999

Place Value Word Problems of Multi-Digits

Place Value Word Problems — Up to 10K

Place Value Word Problems — Up to 999

NY.3.NF.3

Equivalent fractions

Equivalent Fractions

NY.3.OA.1

Multiplying Digits with 5 and 10 Up to 999

Multiplication by Five or Ten — Up to 100

Multiplying Digits with 0 and 1 Up to 999

Multiplication by One or Zero — Up to 999

Times Tables

Multiplication Times Table — Up to 2 Digits

Using Models to Multiply Up to 999

Multiplication by Models — Up to 3 Digits

Multiplying using Mental Strategies

Split into Smaller Calculations Strategy — Up to 999

Repeated Addition As Multiplication Up to 999

Multiplication by Repeated Addition — Up to 999

NY.3.OA.2

Sharing & Grouping Up to 999

Sharing and Partitioning — Up to 3 Digits

Dividing with Arrays

Dividing with Arrays — Up to 100

Remainders from Division Up to 999

Sharing and Remainders — Up to 3 Digits

Dividing with Digits Up to 999

Division By Digits — Up to 3 Digits

Relating Multiplication with Division Up to 999

Relating Multiplication with Division

Understanding the Division Sign Up to 999

Division Language — Divided By

Division Language — Sharing

NY.3.OA.3

Multiplication Word Problems Up to 999

multiplication word problems up to 999

Division Word Problems Up to 999

Division Word Problems — Up to 3 Digits

NY.3.OA.4

Identifying the Missing Digits (Addition)

Fill in the Blank — Up to 1000

Identifying the Missing Digits (Subtraction)

Multiplication Tables Up to 999

Multiplication Tables — Up to 100

Multiplication Tables — Up to 200

Division Tables Up to 999

Division Tables — Up to 100

Division Tables — Up to 200

NY.3.OA.6

Relating Addition with Division

NY.3.OA.7

Multiplying with Digits Up to 999

Multiplication by Digits — Up to 3 Digits

Multiplying with 3 Numbers Or More

Multiplication of Three or More Numbers

NY.3.OA.8

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Applications of the four operations (BEDMAS without exponents)

Combining Multiplication and Addition

Applying BEDMAS Without Exponents

Addition Word Problems Up to 1000

Addition Word Problems — Up to 1000

Addition Word Problems — Up to 200

Subtraction Word Problems Up to 1000

Subtraction Word Problems — Up to 1000

3rd Grade Math

math

<p>- Hi, welcome to this question right here. So this kind of a fun problem, cause right now, you're gonna outline the front, the top, and the left view of this diagram right here. Okay? So, let's do the front first. Okay? Since that was the first one. So, if you look at the front, basically, what we have is, you're looking from this direction. Okay? So, I'm doing the blue ones. So, I got 1, 2, 3, 4, 5, 6. Okay? I got six blocks. If I'm looking from this direction, I have only seen the six blocks. So basically, I got a bottom three. Basically, 1, 2, and 3, it's all there. And I got a top two right here. Okay. So, there's another two and following there is one more on the top. So, that's basically the graph for the front part. Okay? It's good that you havea different color pen, and then you're just gonna dot them and then just visualize and draw just a two-dimensional of the front. Then let's go to the top. Let's change the color of the pen right here. Let's go to the top. Okay? So, doing it from the top, that means you're looking it from the top-down. So, there is your 1, 2, 3, 4, and 5. Okay. So, let's put the dots on that. They're clear but as you can see, there's only two rows if you're looking from the top. And clearly you got the back row all completed. So, I can see it from the back that there is three pieces and then there's two more in the front on the further left right here. So basically, this is what you have from the top view. Okay? Now, let's do it from the side view here. Let's grab the last color right here, which is the red. The side view, pretend that you're looking from this way. Okay? So, there is your 1, 2, and the 3 and there is a 4 on the top. Okay? So, here is my side view right here, let's go to the bottom right there. Here is my side view. I got the first three on the left all completed. Okay? Draw a big one right here and cut it into three equal parts. And then I have one more at the bottom and that's it. Okay? So, that is my side view right here. Again, grab a color pen, pen or pencil, blue pen, black pen, dot them and then you will be able to draw them really easily. Okay? Have fun with them. Thanks for watching.</p>

Imagine you are looking at a 3-dimensional shape, for example, a cereal box. It looks like large rectangle from the front. From the side, it may look like a much thinner rectangle. However, you are sure that it is the same cereal box. It is because 3-dimensional shapes have many surfaces, and they do not necessarily look the same from different angles.

Surface area of three-dimensional (3D) objects

Surface area of 3-dimensional shapes