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.

Answer:

Letter G has 6 parts parts of lines and 2 curves.

Question 2.

Letter ___________ has curves only.

Answer:

Letter O has curves only.

Question 3.

Letters ___________ and ___________ have the most parts of lines.

Answer:

Letters G and L have the most parts of lines.

Question 4.

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

Answer:

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 ___________.

Answer:

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 __________.

Answer:

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 _________.

Answer:

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.**

Answer:

Question 8.

Answer:

There are 7 parts and 2 curves.

Question 9.

Answer:

There are 3 parts of lines and 3 curves.

Question 10.

Answer:

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.

Answer:

Explanation:

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

Question 12.

Answer:

Explanation:

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

Question 13.

Answer:

Explanation:

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

Question 14.

Answer:

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.

Answer:

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.

Answer:

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.

Answer:

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.

Answer:

Explanation:

Shape pattern occur when a group of shapes are repeated again and again

I drew a circle around the shape that is correct to complete the pattern.