All the solutions provided in **McGraw Hill My Math Grade 3 Answer Key PDF Chapter 12 Check My Progress **will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 3 Chapter 12 Check My Progress Answer Key

**Check My Progress Page No. (721 – 722)**

**Vocabulary Check**

**Use the word bank to label each graph, chart, or table.**

bar graph

frequency table

line plot

pictograph

picture graph

tally chart

Question 1.

Answer: The above graph is called **line plot.**

Question 2.

Answer: The above graph is called** picture graph.**

Question 3.

Answer: The above graph is called a **bar graph.**

Question 4.

Answer: The above chart is called the **tally chart**

**Use the remaining vocabulary words to complete each sentence.**

Question 5.

A _____________ uses numbers to record how often an event occurs.

Answer: A **frequency table** uses numbers to record how often an event occurs.

Question 6.

Pictures are used as symbols in a _______________ to show data.

Answer: Pictures are used as symbols in a **pictograph** to show data.

**Concept Check**

Question 7.

Jack took a survey to find his friends’ favorite type of book. Organize the data in a tally chart.

Answer:

Question 8.

Display the set of data from the picture graph in a scaled picture graph.

Answer:

**Problem Solving**

Question 9.

A pictograph shows 8 symbols. Each symbol represents 5 times a student at Harrison Elementary School had a music lesson this month. How many times did the students at Harrison Elementary School have a music lesson this month?

Answer:

Given,

A pictograph shows 8 symbols.

Each symbol represents 5 times a student at Harrison Elementary School had a music lesson this month.

8 × 5 = 40 music lesson

**Test Practice**

Question 10.

According to the line plot, which statement is true?

(A) Number 4 was rolled 2 times.

(B) Number 6 was rolled the most

(C) The cube was rolled 20 times.

(D) Number 1 was rolled the least.

Answer: (C) The cube was rolled 20 times.