All the solutions provided in McGraw Hill My Math Grade 4 Answer Key PDF Chapter 1 Review will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 4 Chapter 1 Review Answer Key
Vocabulary Check
Use the words in the word bank to complete each sentence.
digits expanded form Is equal to (=)
Is greater than (>) is less than (<) number line
period place value standard form
word form
Question 1.
83,502 ____ 82,502.
Answer:
83,502 > 82,502
83,502 is greater than the 82,502.
Question 2.
You can use a ____ to compare numbers.
Answer:
You can use a sign to compare numbers.
Question 3.
There are five ____ in the number 35,024.
Answer:
There are five digits in the number 35,024.
Question 4.
392,903 ____ ____ 392,903.
Answer:
392,903 = 392,903
392,903 equal to 392,903
Question 5.
The ____ of 32,052 is thirty-two thousand, fifty-two.
Answer:
The word form of 32,052 is thirty-two thousand, fifty-two.
Question 6.
The ____ of 853,025 is 800,000 + 50,000 + 3,000 + 20 + 5.
Answer:
The expended form of 853,025 is 800,000 + 50,000 + 3,000 + 20 + 5.
Question 7.
_____ is the value given to a digit by its position in a number.
Answer:
Place value is the value to a digit by its position in a number.
Question 8.
The name given to each group of three digits on a place-value chart is called a ___.
Answer:
The name given to each group of three digits on a place-value chart is called a period.
Question 9.
The ____ of fifteen thousand, sixty-two is 15,062.
Answer:
The number form of fifteen thousand, sixty-two is 15,062.
Question 10.
473,503 ____ 474,503.
Answer:
473,503 < 474,503
473,503 less than 474,503.
Concept Check
Question 11.
Write two hundred thirty-nine thousand, eight hundred four in standard form and expanded form.
Answer:
The two hundred thirty-nine thousand, eight hundred four in standard form is 239,000.
The two hundred thirty-nine thousand, eight hundred four in expanded form is 200000 + 30000 + 9000.
Compare. Use <, >, or =.
Question 12.
689,000 
679,000
Answer:
689,000 > 679,000
689,000 is greater than 679,000
Question 13.
515,063 515,603
Answer:
515,063 < 515,603
515,063 is less than 515,603
Question 14.
739,023 739,023
Answer:
739,023 = 739,023
739,023 is less than 739,023
Question 15.
405,032 450,002
Answer:
405,032 < 450,002
405,032 is greater than 450,002
Question 16.
Round 415,203 to the thousands place. _____
Answer:
4,15,203 rounded to the nearest thousands place is 415,000.
Here the hundreds place of 415,203 is 2.
The 2 is less than 5. So, replace the 2 place has 0 and 3 place has 0.
Use the place-value chart for Exercises 17—23.
Question 17.
The 3 is in the ____ place.
Answer:
The 3 is in the ten thousands place.
Question 18.
The ____ is in the thousands place.
Answer:
The number 7 is in the thousands place.
Question 19.
The 8 has a value of 8 × ___.
Answer:
The 8 has a value of 8 x 10 = 80
Here 8 is in the tens place. So 8 is multiplied by 10.
Question 20.
The 3 has a value of 3 × ____.
Answer:
The 3 has a value of 3 x 10,000 = 30,000
Here 3 is in the ten thousands place. So, 3 is multiplied by 10,000.
Question 21.
The ___ has a value of ___ × 100,000.
Answer:
The 7 has a value of 7 x 100,000.
Here 7 is the hundred thousands place. So, 7 is multiplied by 100,000.
Question 22.
The ____ is in the hundreds place.
Answer:
The 2 is in the hundreds place
Question 23.
The digit in each place has a value that is ____ times as great as it has in the place to its ___.
Answer:
The digit in each place has a value that is ten times as great as it has in the place to its number.
Order the numbers from greatest to least.
Question 24.
374,273 ____
374,372 ____
347,732 ____
Answer:
Given that,
The numbers is 374,273, 374,372, 347,732.
The order of numbers from greatest to least is 347,732, 374,372, 374,273.
Question 25.
263,224 ____
623,224 ____
633,222 ____
Answer:
Given that,
The numbers is 263,224, 623,224, 633,222.
The order of numbers from greatest to least is 263,224, 633,222, 623,224.
Problem Solving
Question 26.
There were 48,566 people at a Sunday football game. To the nearest thousand, how many people were at the game?
Answer:
Given that,
The total number of people at a Sunday football game is 48,566.
48,566 rounded to the nearest thousand is 49,000.
If the digits in the hundreds place is greater than or equal to 5 add 1 to the thousands digits.
Question 27.
The table shows the cost of three houses. Order these prices from least to greatest.
Answer:
Given that,
The price of House A is $175,359
The price of House B is $169,499
The price of House C is $179,450
The order of prices from least to greatest is $179,450, $175,359, $169,499.
Question 28.
In a recent year, the population of Hong Kong was about 6,924,000. What is the value of the 9 in this number?
Answer:
Given that,
The population of Hong Kong was about 6,924,000.
The value of 9 in the 6,924,000 is 900,000.
Question 29.
A baseball stadium has 24,053 seats. A football stadium has 53,025 seats. Which stadium has a greater number of seats?
Answer:
Given that,
The baseball stadium has a total seats = 24,053
The football stadium has a total seats = 53,025.
Therefore 53,025 > 24,053
The football stadium is greater than the baseball stadium.
Test Practice
Question 30.
The population of New Zealand is about 4,184,000. What is the expanded form of this number?
A. 4,000,000 + 100,000 + 80,000 + 4,000
B. 4,000,000 + 100,000 + 8,000 + 4,000
C. 400,000 + 100 + 80 + 4
D. 4 + 1 + 8 + 4
Answer:
Given that,
The population of New Zealand is 4,184,000.
The expended form of 4,184,000 is 4,000,000 + 100,000 + 8,000 + 4,000
The option B is the correct answer.
Reflect
Use what you learned about place value to complete the graphic organizer.
Reflect on the ESSENTIAL QUESTION? Write your answer below.