All the solutions provided in McGraw Hill Math Grade 2 Answer Key PDF Chapter 2 Lesson 7 Sums of Equal Numbers will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 7 Sums of Equal Numbers
Explore and Explain
Teacher Directions: Place a train of 6 connecting cubes in the top box. Trace it. Break it into two equal groups. Put one group in each of the two bottom boxes. Trace them. Trace the number sentence.
Explanation:
See and Show
Any even number can be written as the sum of two equal addends.
Write the equal addends that make each sum.
Question 1.
6 = ____ + ____
Answer:
6 = 3 + 3
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 3 and 3 is 6
Question 2.
4 = ____ + ____
Answer:
4 = 2 +2
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 2 and 2 is 4
Question 3.
____ + ____ = 2
Answer:
1 + 1 = 2
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 1 and 1 is 2
Question 4.
8 = ____ + _____
Answer:
8 = 4 + 4
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 4 and 4 is 8
Question 5.
14 = ____ + ____
Answer:
14 = 7 + 7
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 7 and 7 is 14
Question 6.
____ + ____ = 18
Answer:
9 + 9 = 18
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 9 and 9 is 18
Find the missing number.
Question 7.
_____ + 4 = 8
Answer:
4 + 4 = 8
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 4 and 4 is 8
Question 8.
9 + ___ = 18
Answer:
9 + 9 = 18
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 9 and 9 is 18
Talk Math How did you find the equal addends that make each sum?
On My Own
Write the equal addends that make each sum.
Question 9.
2 = __ + __
Answer:
2 = 1 + 1
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 1 and 1 is 2
Question 10.
12 = ____ + _____
Answer:
12 = 6 + 6
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 6 and 6 is 12
Question 11.
10 = _____ + _____
Answer:
10 = 5 + 5
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 5 and 5 is 10
Question 12.
14 = ____ + ___
Answer:
14 = 7 + 7
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 7 and 7 is 14
Question 13.
18 = ___ + ___
Answer:
18 = 9 + 9
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 9 and 9 is 18
Question 14.
8 = ____ + ____
Answer:
8 = 4 + 4
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 4 and 4 is 8
Question 15.
____ + ____ = 6
Answer:
3 + 3 = 6
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 3 and 3 is 6
Question 16.
____ + ____ = 4
Answer:
2 + 2 = 4
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 2 and 2 is 4
Question 17.
____ + ____ = 20
Answer:
10 + 10 = 20
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 10 and 10 is 20
Question 18.
____ + ____ = 16
Answer:
8 + 8 = 16
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 8 and 8 is 16
Find the missing addends.
Question 19.
10 + ____ = 20
Answer:
10 + 10 = 20
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 10 and 10 is 20
Question 20.
____ + 6 = 12
Answer:
6 + 6 = 12
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 6 and 6 is 12
Question 21.
4 + ____ = 8
Answer:
4 + 4 = 8
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 4 and 4 is 8
Question 22.
____ + 3 = 6
Answer:
3 + 3 = 6
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 3 and 3 is 6
Question 23.
____ + 7 = 14
Answer:
7 + 7 = 14
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 7 and 7 is 14
Problem Solving
Question 24.
Henry buys 6 apples. His mother buys the same amount. Write the number sentence. How many apples do they have?
___ + ____ = ____
Answer:
12 apples
Explanation:
Henry buys 6 apples.
His mother buys the same amount.
6 + 6 = 12
12 apples that they have
Question 25.
Luke has 10 puppies. An equal number of them are black and brown puppies. How many are brown?
______ brown puppies
Answer:
5 brown puppies
Explanation:
Luke has 10 puppies.
An equal number of them are black and brown puppies
5 + 5 = 10
5 are brown.
Question 26.
Janelle brought 7 magazines. The class now has 14 magazines. How many magazines did they already have?
____ magazines
Answer:
7 magazines
Explanation:
Janelle brought 7 magazines.
The class now has 14 magazines.
7 + 7 = 14
7 magazines that they already have.
Write Math Tamika and Jen have the same number of beads. They have 18 beads in all. How many beads does each girl have? Explain.
McGraw Hill My Math Grade 2 Chapter 2 Lesson 7 My Homework Answer Key
Practice
Write the equal addends that make each sum.
Question 1.
10 = ____ + ____
Answer:
10 = 5 + 5
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 5 and 5 is 10
Question 2.
2 = _____ + _____
Answer:
2 = 1 + 1
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 1 and 1 is 2
Question 3.
18 = _____ + _____
Answer:
18 = 9 + 9
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 9 and 9 is 18
Question 4.
8 = _____ + _____
Answer:
8 = 4 + 4
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 4 and 4 is 8
Find the missing number.
Question 5.
7 + _____ = 14
Answer:
7 + 7 = 14
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 7 and 7 is 14
Question 6.
_____ + 3 = 6
Answer:
3 + 3 = 6
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 3 and 3 is 6
Question 7.
8 + _____ = 16
Answer:
8 + 8 = 16
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 8 and 8 is 16
Question 8.
_____ + 6 = 12
Answer:
6 + 6 = 12
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 6 and 6 is 12
Find the missing addends.
Question 9.
5 + ____ = 10
Answer:
5 + 5 = 10
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 5 and 5 is 10
Question 10.
____ + 2 = 4
Answer:
2 + 2 = 4
Explanation:
Any even number can be written as the sum of two equal addends.
The sum of 2 and 2 is 4
Question 11.
Maria and Steve each have 8 toys for the toy drive. How many toys do they have in all?
____ toys
Answer:
16 toys
Explanation:
Maria and Steve each have 8 toys for the toy drive.
8 + 8 = 16
16 toys that they have in all.
Question 12.
Mrs. Miller’s class has 18 students. There are an equal number of boys and girls in the class. Write a number sentence to show how many boys and how many girls are in the class.
____ = _____ + _____
Answer:
18 = 9 + 9
Explanation:
Mrs. Miller’s class has 18 students.
There are an equal number of boys and girls in the class
9 + 9 = 18.
9 boys and 9 girls
Test Practice
Question 13.
Kylie buys 7 bananas. Her mom also buys 7 bananas. How many bananas do they buy in all?
(A) 0
(B) 7
(C) 10
(D) 14
Answer:
D
Explanation:
Kylie buys 7 bananas. Her mom also buys 7 bananas.
7 + 7 = 14
14 bananas that they buy in all.
Math at Home Work with your child to create a number line from 1 to 20. Have your child circle 18, 14, and 10. Ask your child to tell you the equal addends for each of these numbers.