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HW 16.3A Area Practice to review…I can find the area of rectangles! Area is the number of square units 𝑢! needed to cover a plane figure with no overlap.
I can find the area of a rectangle! I can find the area of a square!
𝐴 = 𝑙𝑤
𝐴 =
𝐴 =
𝐴 = 𝑠!
𝐴 = !
𝐴 =
I can also use the Distributive Property and mental math to find the area of rectangles. Here are two examples of ways I could use the Distributive Property to find the area of a 5 × 16 rectangle.
I can break it into a 5 × 10 part and a 5 × 6 part. I can break it into two 5 × 8 parts.
𝐴 = 5 × + 5 ×
𝐴 = +
𝐴 =
𝐴 = 5 × + 5 ×
𝐴 = +
𝐴 =
Practice to remember… Find the area. Don’t forget to label your answer!
14. Donnie saves $5 each week for 𝑛 weeks from his babysitting money. If he spends $18 of his savings on comic books and has $2 left, how many weeks did he save his money? Show how you know.
15. If every square is a rectangle, is every rectangle also a square? Explain.
HW 16.3B Area Practice to review…I can find the area of rectangles! Area is the number of square units 𝑢! needed to cover a plane figure with no overlap.
I can find the area of a rectangle! I can find the area of a square!
𝐴 = 𝑙𝑤
𝐴 =
𝐴 =
𝐴 = 𝑠!
𝐴 = !
𝐴 =
Practice to remember… Find the area. Don’t forget to label your answer!
1.
__________________
2.
_________________
3.
__________________
4.
_________________
5.
__________________
6.
_________________
Follow the directions.
7. Sketch at least two different rectangles that have an area of 24 cm!. Be sure to label the length and width of each rectangle you draw. Tell how you know the rectangles are not congruent.
HW 17.1A Solid Figures Practice to review…I can identify 3-‐dimensional figures! Solid figures have three dimensions: length, width, and height.
A _______________ is a 3-‐dimensional figure that has two parallel congruent bases and parallelograms for faces. Prisms are named by the shape of their bases.
A _______________ is a 3-‐dimensional figure that has one base that can be any polygon. The other faces of a pyramid are all triangles that meet at a single vertex.
A ______________ is a flat surface of a figure. It may be the base or a side of a solid figure.
An ______________ is the line segment formed where two faces meet.
A ______________ is the point formed where three or more edges meet.
Practice to remember… Name each solid figure. Then write the number of faces, vertices, and edges.
RE 17.1A Remembering Practice for fluency… Multiply.
5. 0.18 • 0.05 6. 0.006 • 4
a. 0.0009 b. 0.09 a. 0.00024 b. 0.024
c. 0.009 d. 0.9 c. 0.0024 d. 0.240
Evaluate each expression.
7. 2938+ 24
3348
_________________ 8. 2938− 24
3348
_________________
9. 500÷1200
_________________ 10. 20 •14
_________________
Answer each question. Explain your thinking.
11. Lucas has 18 coins—pennies, nickels, and dimes—in his pocket. There are three times as many pennies as dimes and twice as many nickels as dimes. The number of each coin is divisible by 3, and the number of nickels is also divisible by 2. How many of each coin does Lucas have? Show how you know.
12. Draw a quadrilateral that has only two sides parallel. What kind of quadrilateral is it?
HW 17.1B Solid Figures Practice to review…I can identify 3-‐dimensional figures! Solid figures have three dimensions: length, width, and height.
A _______________ is a 3-‐dimensional figure that has two parallel congruent bases and parallelograms for faces. Prisms are named by the shape of their bases.
A _______________ is a 3-‐dimensional figure that has one base that can be any polygon. The other faces of a pyramid are all triangles that meet at a single vertex.
A ______________ is a flat surface of a figure. It may be the base or a side of a solid figure.
An ______________ is the line segment formed where two faces meet.
A ______________ is the point formed where three or more edges meet.
Practice to remember… Name each solid figure. Then write the number of faces, vertices, and edges.
Volume Practice to review…I can use cubic units to find the volume of a rectangular prism! Volume is the measure of the amount of space occupied by an object. Volume is recorded in cubic units 𝑢! .
Each layer of this rectangular prism is 4 cubes by 2 cubes. There are 4 × 2 cubic units in each layer.
There are _____ layers, so there are 4 × 2 × cubic units in this rectangular prism.
𝑉 = u!
1 layer ¨
Practice to remember… Find the volume of each rectangular prism. Think about layers of cubes!