All the solutions provided in McGraw Hill My Math Grade 4 Answer Key PDF Chapter 4 Review will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 4 Chapter 4 Review Answer Key
Vocabulary Check
Choose the correct word(s) to complete each sentence.
Answer:
Question 1.
The answer or result of a multiplication problem is the _____
Answer:
The answer or result of a multiplication problem is the product.
Question 2.
A(n) ____ is a number close to an exact value.
Answer:
A(n) estimate is a number close to an exact value.
Question 3.
A(n) ____ of a number is the product of that number and any whole number.
Answer:
A(n) multiple of a number is the product of that number and any whole number.
Question 4.
To ____ is to use place value to exchange equal amounts when renaming a number.
Answer:
To regroup is to use place value to exchange equal amounts when renaming a number.
Question 5.
The ____ combines multiplication and addition by multiplying each addend by the number and adding the products.
Answer:
The distributive property combines multiplication and addition by multiplying each addend by the number and adding the products.
Question 6.
To use ____, find the product for the ones, tens, and so forth separately, and then add them together.
Answer:
To use partial products find the product for the ones, tens, and so forth separately, and then add them together.
Question 7.
A number that divides a whole number evenly is called a ____. It is also a number that is multiplied by another number.
Answer:
A number that divides a whole number evenly is called a factor. It is also a number that is multiplied by another number.
Concept Check
Multiply. Use basic facts and patterns.
Question 8.
4 × 90 = ____
Answer:
Multiplication of 4 with 90 then you get 360.
4 x 90 = 360.
Question 9.
6 × 3,000 = ____
Answer:
Multiplication of 6 with 3,000 then you get 18,000.
6 x 3,000 = 18,000.
Estimate. Round to the greatest place value. Circle if the estimate is greater than or less than the actual product
Question 10.
greater than
less than
Answer:
1,478 x 4 = 5,912
1,478 rounded to the greatest place value is 1,000. Because the highest place value of that number is thousands place.
1000 x 4 = 4000.
4000 is less than 5,912.
Question 11.
greater than
less than
Answer:
5 x 6,225 = 31,125
6,225 rounded to the greatest place value is 6000. Because the highest place value of that number is thousands place.
5 x 6000 = 30,000
30,000 is less than 31,125.
Multiply. Check for reasonableness.
Question 12.
Answer:
Multiplication of 43 with 5 then you get 225.
53 x 5 = 225.
Question 13.
Answer:
Multiplication of 24 with 9 then you get 216.
24 x 9 = 216.
Question 14.
Answer:
Multiplication of 829 with 8 then you get 6,632.
829 x 8 = 6,632.
Question 15.
Answer:
Multiplication of 724 with 7 then you get 5,068.
724 x 7 = 5,068.
Question 16.
Answer:
Multiplication of 569 with 6 then you get 3,414.
569 x 6 = 3,414.
Question 17.
Answer:
Multiplication of 617 with 3 then you get 1,851.
617 x 3 = 1,851.
Problem Solving
Question 18.
Marcia read 2 books. Each book was 44 pages long. How many pages did she read?
Answer:
Given that,
Marcia read 2 books.
Each book was 44 pages long.
So, 44 x 2 = 88.
Therefore she read 88 pages.
Question 19.
Tania has four decks of 52 cards in each deck. How many cards does Tania have?
Answer:
Given that,
Tania has four decks of 52 cards in each deck.
The number of cards are 4 x 52 = 208.
Therefore there are 208 cards that Tania have.
Question 20.
Each ski pass costs $109. How much do five ski passes cost?
Answer:
Given that,
Each ski pass costs $109
The number of sky passes are 5.
So, The cost of passes are $109 x 5 = $545.
Therefore the cost of five passes are $545.
Question 21.
A kangaroo can jump as far as 44 feet in a single jump. What distance would three jumps of this size cover?
Answer:
Given that,
A kangaroo can jump as far as 44 feet in a single jump.
The distance would three jumps of this size cover is 44 x 3 = 132.
therefore the distance of three jumps of kangaroo is 132.
Question 22.
There are 8 party bags. Each bag contains 12 items. Is it reasonable to say that the bags will have 75 items in all? Explain.
Answer:
Given that,
The number of party bags are 8.
Each bag contains 12 items
The number of items are 8 x 12 = 96.
Therefore the total number of items are 96.
96 is greater than 75.
No, it is not reasonable to say that the bags will have 75 items in all
Test Practice
Question 23.
A plane carries 234 passengers. If the plane makes 4 trips a day, how many passengers does the plane transport a day?
A. 51 passengers
B. 800 passengers
C. 826 passengers
D. 936 passengers
Answer:
Given that,
A plane carries 234 passengers.
If the plane makes 4 trips a day.
The number of passengers are 234 x 4 = 936.
Option D is the correct answer.
Reflect
Use what you learned about multiplication to complete the graphic organizer.
Reflect on the ESSENTIAL QUESTION? Write your answer below.
Answer: