All the solutions provided in McGraw Hill My Math Grade 4 Answer Key PDF Chapter 3 Check My Progress will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 4 Chapter 3 Check My Progress Answer Key
Check My Progress Page No. 159-160
Vocabulary Check
Question 1.
Write each word from the word bank on the correct label.
Answer:
Concept Check
Use repeated subtraction to divide.
Question 2.
18 ÷ 6 = ___
Answer:
Using the repeated subtraction 18 ÷ 6 =3.
Question 3.
28 ÷ 7 = ____
Answer:
Using the repeated subtraction 28 ÷ 7 = 4.
Write the fact family for each set of numbers.
Question 4.
6, 4, 24
Answer:
The fact family related to the 6, 4, 24 are multiplication.
Multiplication of 6 with 4 then you get 24.
6 x 4 = 24.
Question 5.
7, 6, 42
Answer:
The fact family related to the 7, 6, 42 are multiplication.
Multiplication of 7 with 6 then you get 42.
7 x 6 = 42.
Question 6.
8, 4, 32
Answer:
The fact family related to the 8, 4, 32 are multiplication.
Multiplication of 8 with 4 then you get 32.
8 x 4 = 32.
Problem Solving
Question 7.
Jerry made lemonade with the lemons shown.
Write a fact family for the array of lemons.
Answer:
The fact family for the array is multiplication.
Number of rows are 3.
Number of columns are 4.
Therefore the array of lemons is 3 x 4.
Multiplication of 3 with 4 then you get 12.
3 x 4 = 12.
Question 8.
There are 21 fish in an aquarium at the zoo. In order to clean the aquarium, the zookeeper must put the fish in three smaller tanks. If the same number of fish are ¡n each tank, how many fish are in each tank? Use repeated subtraction to solve.
Answer:
Given that,
The total number of fishes are 21.
The total number of small tanks are 3.
The number of fishes in each tank is 21 ÷ 3 = 7.
Therefore each smaller tank has 7 fishes.
Using the repeated subtraction
Question 9.
Algebra Gina has 5 pencils. Her sister has twice as many pencils. Write an equation to find the unknown number. Use a variable for the unknown.
Answer:
Given that,
The total number of pencils near Gina is 5.
The total number of pencils near Gina sister is twice of 5.
So, 5 x 2 = 10.
Therefore the unknown is 10.
Test Practice
Question 10.
Find the missing number. 15 ÷ 3 = 
.
A. 1
B. 3
C. 5
D. 12
Answer:
15 divided by 3 equal to 5.
The missing number is 5.
Option C is the correct answer.