the mini board 5 g 1 - collins education...
TRANSCRIPT
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©Bill Atwood 2014
The Mini Board5 G 1
These are Mini Board Exercises for use with Grade 5 Coordinate Grids.
For more information on how to make and use these Mini Boards go to:
www.collinsed.com/billatwood.htm
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Main Standard Addressed
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©Bill Atwood 2014
Additional Standards Addressed
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©Bill Atwood 2014
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Teachers: Print the next slide and then have students insert it into their Mini Boards.
©Bill Atwood 2014
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©Bill Atwood 2014
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Type One Writing:Write down 3 or more important math words about the graphic below. Or write 3+ things that you notice.
©Bill Atwood 2014
(4, 3)
Possible Word Bank
1. graph, grid2. lines3. Point4. Intersect5. perpendicular6. x, y axis7. location8. arrows9. ordered pair10. distance11. plot12. units13. scale14. negative, positive
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©Bill Atwood 2014
Next, build on what students wrote. Teach students about the coordinate grid, the key vocabulary, and how it can be used to show locations.
Describe real world situations with grids: rows and aisles for seats on planes and concert halls; latitude and longitude; game of Battleship…
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Next ask students to solve the following problems on their Mini Boards. Tell them, “Check with a partner to make sure you both have it! And on my signal, hold up your Mini Boards. So I can check the answers and clarify errors.”
©Bill Atwood 2014
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©Bill Atwood 2014
Circle the x axis
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©Bill Atwood 2014
Circle the y axis
Are the axis parallel or perpendicular?
Perpendicular. They meet and form a right angle (90 degrees).
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Plot and label the point (2, 2)
(2, 2)
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Plot and label the point (5, 1)
(5, 1)
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©Bill Atwood 2014
Plot and label the point (1, 5)
(1, 5)
(5, 1)
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Plot and label the point (3, 0)
(3, 0)
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Plot and label the point (0, 3)
(0, 3)
(3, 0)
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©Bill Atwood 2014
Identify coordinate points or ordered pairs for this point.
(4, 3)
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Identify coordinate points or ordered pairs for this point.
(5, 0)
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Identify the coordinate points or ordered pairs for this point.
(.5, .5)
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Plot and label the point (1.5, 2.5)
(1.5, 2.5)
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Plot and label the point (3.5, 3.5)
(3.5, 3.5)
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©Bill Atwood 2014
Imagine you house is at the location (0,0). You walk 3 miles east. Draw the line segment that shows your path.
n
e
s
w
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©Bill Atwood 2014
Imagine your friend’s house is at (0,2). Your friend walks the same distance East. Draw the line that shows the path.
Write a geometric term which describes these non-intersecting line segments.
The line segments are parallel.
n
e
s
w
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Draw an acute angle with a vertex at (0,0)
Estimate the degrees.
45∘
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©Bill Atwood 2014
Draw a right triangle with a right angle vertex at (3,3). Label the vertex.
(3, 3)
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©Bill Atwood 2014
(3, 3)
Another solution
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©Bill Atwood 2014
(3, 3)
Another solution
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©Bill Atwood 2014
(3, 3)
Another solution
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©Bill Atwood 2014
Draw a rectanglewith a vertex at (3,1) and an areaof 6 square units.
(3, 1)Area = Length X WidthA = 3u X 2uA = 6 Square UnitsA = 6 u2
3 u
nit
s2 units
Please label the length and width.
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©Bill Atwood 2014
(3, 1)
3 u
nit
s
2 units
Area = Length X WidthA = 3u X 2uA = 6 Square UnitsA = 6 u2
Another solution
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©Bill Atwood 2014
(3, 1)
3 units
2 u
nits
Area = Length X WidthA = 3u X 2uA = 6 Square UnitsA = 6 u2
Another solution
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©Bill Atwood 2014
(3, 1) 3 units2
un
itsArea = Length X WidthA = 3u X 2uA = 6 Square UnitsA = 6 u2
Another solution
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©Bill Atwood 2014
(3, 1)
1 unit
6 u
nits
Area = Length X WidthA = 6u X 1uA = 6 Square UnitsA = 6 u2
Another solution
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Blue RectangleP = (2 x l) + (2 x w)P = (2 x 3) + 2 x (2)P =6 + 4P = 10 units
(3, 1)
1 unit
6 u
nits
Which quadrilateralhas more perimeter? Showyour thinking
Red RectangleP = (2 x l) + (2 x w)P = (2 x 6) + 2 x (1)P =12 + 2P = 14 units
3 u
nit
s
2 units
The red rectangle has more perimeter!
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©Bill Atwood 2014
Consider this rectangle.Does it have an area of 6 square units?
(3, 1)
4 units1
½ u
nit
s
Area = Length X WidthA = 4u X 1 ½ uA = 4 x ( 1 + ½ )A = (4u x 1u) + (4u x ½u)A = 4 u2+ 2u2
A = 6 Square UnitsA = 6 u2
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©Bill Atwood 2014
Draw a rectangle with an area of 9. Label the corners with ordered pairs.
(8, 0)
(8, 1)
(-1, 0)
(-1, 1)What are the dimensions?
9u. by 1u.
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Another solution!
(5, 2)
(5, 5)
(2, 2)
(2, 5)
Is this shape a rectangle?Explain.
Yes, it is a parallelogram with right angles! All squares are a kind of rectangle! (It’s a quadrilateral with opposite sides parallel and has right angles… it’s also a rhombus because all sides are congruent!)
What are the dimensions?
3u. by 3u.
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(4.5, 0)
(4.5, 2)
(0, 0)
(0, 2)
Another solution
What are the dimensions?
2u. by 4.5 u.
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©Bill Atwood 2014
Calculate the perimeter of this square. Showyour work.
(5, 2)
(5, 5)
(2, 2)
(2, 5)
P = S + S + S + SP = 3 + 3 + 3 + 3P = 12 UNITS
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Draw a parallelogramwith a vertexat (5, 2) with no right angles.
(5, 2)
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Draw an isoscelestrapezoid with a vertex at(3, 1)
Include a dotted line of symmetry in your drawing.
(3, 1)
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Teachers:
After the Powerpoint, print out the next slide. Students can try and solve the riddles on the next page. The answers follow.
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©Bill Atwood 2018
_________________________________________________Coordinate Shape Puzzles: Draw your answers on the graph paper.
1. I am a rectangle.I have an area of 12 square centimeters.One vertex is at the point (2, 2).There is a vertical line of symmetry that goes through the points (4, 3) and (4, 4).The rectangle is in the first quadrant. Draw this rectangle with the line of symmetry and label the vertices.What is the perimeter? Write it under the shape. (P = _______ )
2. I am an isosceles trapezoid.Two of my vertices are at (5, 6) and (5, 8). The other two vertices are at (7, 4) and (7, 10).Draw this polygon.What is the area? Write the area inside the shape (A = _______ ), and show how you know you are correct.
3. I am a rhombus with right angles.I have an area of 9 square centimeters.My center point is (2.5, 7.5).Draw this quadrilateral and the diagonals. Label the vertices.
4. I am a parallelogram with no right angles.Three vertices are (8, 2) (8, 8) and (10, 10).Draw this quadrilateral. Label the missing vertex.What is the area? Write the area next to the shape (A = _______ ), and show how you know you are correct. Estimate the perimeter. Write the perimeter next to the shape (P = _______ ). [ = means approximately]
Finished? Check your answers, then make up one of your own puzzles. Make sure it is solvable!
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©Bill Atwood 2014©Bill Atwood 2014
P = 14 cm