# Math in Focus Grade 2 Cumulative Review for Chapters 18 and 19 Answer Key

This handy Math in Focus Grade 2 Workbook Answer Key Cumulative Review for Chapters 18 and 19 detailed solutions for the textbook questions.

## Math in Focus Grade 2 Cumulative Review for Chapters 18 and 19 Answer Key

Concepts and Skills

Look at the letters. Then fill in the blanks.

Question 1.
Letter G has ___________ parts of lines and ___________ curves.
Letter G has 6 parts parts of lines and 2 curves.

Question 2.
Letter ___________ has curves only.
Letter O has curves only.

Question 3.
Letters ___________ and ___________ have the most parts of lines.
Letters G and L have the most parts of lines.

Question 4.
The total number of curves in the first and last letters is ___________.
The total number of curves in the first and the last letters is 4.

Question 5.
The total number of parts of lines in all the letters is ___________.
The total number of parts of lines in all the letters is 12.

Question 6.
This solid has _________ faces. They have the shapes of a ________ and a __________.
This solid has 6 faces. They have the shapes of a rectangle and a trapezium.

Question 7.
This solid has _________ flat surfaces. Each surface has the shape of a _________.
This solid has 2 flat surfaces. Each surface has the shape of a circle.

Look at the drawings. Count the number of curves and parts of lines in each. Complete the table.

Question 8.

There are 7 parts and 2 curves.

Question 9.

There are 3 parts of lines and 3 curves.

Question 10.

There are 15 parts of lines and 3 curves.

Draw dotted lines within each figure to show the shapes it is made of.

Question 11.

Explanation:
The above shape is made of 2 triangles and 1 trapezuim.

Question 12.

Explanation:
The above shape is made using 3 triangle, 2 rectangles and 1 trapezium.

Question 13.

Explanation:
The above shape is made of 1 square, 1 triangle, 1 rectangle and 1 trapezium.

Question 14.

Explanation:
The shape is made up of 2 trapeziums and 2 triangles.

Look at the picture. Count and write the number of shapes you see.

Question 15.

Explanation:
I counted and wrote the number of each shape used in the given picture
There is 1 circle, 5 triangles and 1 rectangle.

Copy on dot grid paper.

Question 16.

Explanation:
I copied the given shape on the dot grid paper using the dots.

Problem Solving

Look at the pattern. What comes next? Fill in the blank.

Question 17.

Explanation:
Shape pattern occur when a group of shapes are repeated again and again
I drew the shape that completes the pattern.

Circle what comes next.

Question 18.