All the solutions provided in McGraw Hill My Math Grade 2 Answer Key PDF Chapter 12 Lesson 1 Two-Dimensional Shapes will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 2 Answer Key Chapter 12 Lesson 1 Two-Dimensional Shapes
Explore and Explain
Teacher Directions: Use small attribute blocks. Trace and identify each shape. Draw a line from each shape to its name.
Answer:
See and Show
A two-dimensional shape is a shape with only length and width.
Circle the shapes that match the name.
Question 1.
parallelogram
Answer:
Explanation:
Opposite sides are parallel in a parallelogram
A two-dimensional shape is a shape with only length and width.
Question 2.
triangle
Answer:
Explanation:
A triangle has 3 sides and 3 angles
A two-dimensional shape is a shape with only length and width.
Write the name of the shape. Circle the shape that matches.
Question 3.
Answer:
Explanation:
The hexagon has 6 sides and 6 angles.
A two-dimensional shape is a shape with only length and width.
Talk Math
What is the difference between a pentagon and a hexagon? How are they alike?
Answer:
Pentagon has 5 sides and a hexagon has 6 sides
On My Own
Circle the shapes that match the name.
Question 4.
trapezoid
Answer:
Explanation:
a flat geometric figure with four sides but with only two sides parallel
A two-dimensional shape is a shape with only length and width.
Question 5.
hexagon
Answer:
Explanation:
A hexagon has 6 sides and 6 angles.
A two-dimensional shape is a shape with only length and width.
Question 6.
triangle
Answer:
Explanation:
A triangle has 3 sides and 3 angles
A two-dimensional shape is a shape with only length and width.
Question 7.
pentagon
Answer:
Explanation:
A pentagon has 5 sides and 5 angles
A two-dimensional shape is a shape with only length and width.
Write the name of the shape. Circle the shape that matches.
Question 8.
Answer:
Explanation:
A triangle has 3 sides and 3 angles
A two-dimensional shape is a shape with only length and width.
Question 9.
Answer:
Explanation:
A hexagon has 6 sides and 6 angles.
A two-dimensional shape is a shape with only length and width.
Circle the shape that does not belong in each group.
Question 10.
Answer:
Explanation:
A triangle has 3 sides and 3 angles
In the given shapes triangle is different
A two-dimensional shape is a shape with only length and width.
Question 11.
Answer:
Explanation:
A hexagon has 6 sides and 6 angles.
In the given shapes Hexagon is different
A two-dimensional shape is a shape with only length and width.
Problem Solving
Question 12.
Identify the shape of each sign.
Answer:
Explanation:
A triangle has 3 sides and 3 angles
A rectangle has 4 sides and 4 angles.
A two-dimensional shape is a shape with only length and width.
Question 13.
How many of each shape do you see?
Answer:
A two-dimensional shape is a shape with only length and width.
triangles 4
hexagons 1
rectangles 2
squares 5
pentagons 1
circles 0
Write Math
Give examples of objects in your school that look like triangles and squares.
Answer:
Black board in rectangle
Set square in shape of a triangle
McGraw Hill My Math Grade 2 Chapter 12 Lesson 1 My Homework Answer Key
Practice
Circle the shapes that match the name.
Question 1.
rectangle
Answer:
Explanation:
A rectangle has 4 sides and 4 angles
A two-dimensional shape is a shape with only length and width.
Question 2.
triangle
Answer:
Explanation:
A triangle has 3 sides and 3 angles
A two-dimensional shape is a shape with only length and width.
Question 3.
trapezoid
Answer:
Explanation:
a flat geometric figure with four sides but with only two sides parallel
A two-dimensional shape is a shape with only length and width.
Question 4.
hexagon
Answer:
Explanation:
A hexagon has 6 sides and 6 angles.
A two-dimensional shape is a shape with only length and width.
Write the name of the shape. Circle the shape that matches.
Question 5.
Answer:
Explanation:
A rectangle has 4 sides and 4 angles
Opposite sides are equal.
A two-dimensional shape is a shape with only length and width.
Question 6.
Answer:
Explanation:
A pentagon has 5 sides and 5 angles.
A two-dimensional shape is a shape with only length and width.
Question 7.
Jack cut out a shape to glue onto a picture. The shape looked like an ice cream cone. What shape did he cut out?
Answer:
Triangle
Explanation:
The shape of ice cream look like a triangle
A two-dimensional shape is a shape with only length and width.
Vocabulary Check
Question 8.
Circle the hexagons.
Answer:
Explanation:
A hexagon has 6 sides and 6 angles.
A two-dimensional shape is a shape with only length and width.
Math at Home
Point to two-dimensional shapes around your house (triangles, squares, rectangles, hexagons, and pentagons) arid have your child identify each shape.
Answer: