We included HMH Into Math Grade 1 Answer Key PDF Module 3 Lesson 6 Determine Equal and Not Equal to make students experts in learning maths.
HMH Into Math Grade 1 Module 3 Lesson 6 Answer Key Determine Equal and Not Equal
I Can draw and write to show whether an equation is true or false.
Step It Out
1. How can you use objects to show that this equation is true?
10 – 6 = 2 + 2
A.
Answer:
B. Solve each side of the equation.
10 – 6 = ___ and 2 + 2 = ___.
C. Are both sides equal? Yes No
D. Is the equation true? Yes No
Explanation:
I used counters to show the equations 10 – 6 and 2 +2
10 – 6 = 4 and 2 + 2 = 4
Yes, both the sides are equal
Yes, the equation 10 -6 = 2 +2 is ture.
Step It Out
2. Is this equation true or false?
5 + 1 = 9 – 4
A. Find the difference or sum on both sides of the equation.
5 + 1 = ___ and 9 – 4 = ___
B. Are both sides equal? ___
C. Is the equation true or false? ___
Answer:
The equation 5 + 1 = 9 – 4 is false
Explanation:
Find the sum on both sides of the equation
5 + 1 = 6
9 – 4 = 5
Both the sides are not equal
So, the equation 5 + 1 = 9 – 4 is false.
3. Is this equation true or false?
4 + 3 + 1 = 6 + 2
A. Find the sum on both sides of the equation.
4 + 3 + 1 = ___ and 6 + 2 = ___
B. Are both sides equal? ____
C. Is the equation true or false? ___
Answer:
The equation 4 + 3 + 1 = 6 + 2 is true.
Explanation:
Find the sum on both sides of the equation
4 + 3 + 1 = 7 + 1 = 8
6 + 2 = 8
both the sides are equal
So, the equation 4 + 3 +1 = 6 + 2 is true.
4. Circle the equations that are true.
3 + 5 = 8 + 1 6 – 2 = 1 + 3 8 = 10 – 2
9 – 2 = 4 + 3 7 + 3 = 2 + 6 12 = 12
Answer:
Explanation:
I drew circles around the equations that are equal
The equations will be equal if both the sides are equal
6 – 2 = 1 + 3 = 4
8 = 10 – 2 = 8
9 – 2 = 4 + 3 = 7
12 = 12
So, all the above equations are equal on both sides.
Step It Out
Find the number to make the equation true.
5. 3 + 5 = 
+ 3
A. Show your thinking. Draw to complete the visual model.
Answer:
Explanation:
I drew cubes to complete the equation
3 + 5 = 8
So, i drew 5 cubes in the empty box
So, the number 5 makes the equation true equation.
Check Understanding Math Board
Question 1.
Write the number that makes the equation true.
2 + 3 = 1 + 4 True False
Answer:
2 +3 = 1 + 4 = 5
The number 5 makes the equations true
Explanation:
2 + 3 = 5
1 + 4 = 5
So, the equation 2 +3 = 1 + 4 is true
The number 5 makes the equation true.
On Your Own
Reason Is the equation true or false? Circle your answer. Draw to show how you know.
Question 2.
7 + 1 = 4 + 4 True False
Answer:
Explanation:
I drew to show the sums 7 + 1 and 4 + 4
The equation 7 + 1 = 4 + 4 is true.
So, i drew a circle around the word true.
Question 3.
6 – 2 = 0 + 4 True False
Answer:
Explanation:
I drew to show the sums 6 – 2 and 0 + 4
The equation 6 – 2 = 0 + 4 is true.
So, i drew a circle around the word true.
Attend to Precision Circle True or False.
Question 7.
7 + 3 = 9 + 1 True False
Answer:
Explanation:
I drew to show the sums 7 + 3 and 9 + 1
The equation 7 + 3 = 9 + 1 is true.
So, i drew a circle around the word true.
Question 8.
6 = 11 – 4 True False
Answer:
Explanation:
I drew 11 – 4
The difference is 7
So, 6 = 11- 4 is false equation
I drew a circle around the word false.
Question
2 + 5 = 9 – 3 True False
Answer:
Explanation:
I drew to show the sums 2 + 5 and 9 – 3
2 + 5 = 7
9 – 3 = 6
Both are not equal
So, 2 + 5 = 9 – 3 is a false equation
I drew a circle around the word false.
Question 7.
1 + 2 + 6 = 3 + 6 True False
Answer:
Explanation:
I drew to show the sums 1 + 2 + 6 and 3 + 6
The equation 1 + 2 + 6 = 3 + 6 is true.
So, i drew a circle around the word true.
Question 8.
Construct Arguments Michael wrote 6 + 7 = 10 – 3. He made a mistake.
A. Explain the mistake Michael made.
_____________________
_____________________
Answer:
Michael wrote 6 + 7 = 10 – 3
His mistake is he used a wrong operation
He should chose addition operation instead of subtraction operation.
B. How could you make the equation true?
_____________________
_____________________
Answer:
Instead of 10 – 3 Michael should use 10 + 3
6 + 7 = 13
10 + 3 = 13
So, 6 + 7 = 10 + 3 = 13.
Write the number to make each equation true.
Question 9.
6 = ___
Answer:
6 = 10 – 4
Explanation:
10 – 4 = 6
So, 6 = 10 – 4.
Question 10.
4 + 8 = ___ + 4
Answer:
4 + 8 = 8 + 4
Explanation:
4 + 8 = 12
8 + 4 = 12
So, 4 + 8 = 8 + 4.
Question 11.
___ + 1 = 2 + 2
Answer:
3 + 1 = 2 + 2
Explanation:
2 + 2 = 4
3 + 1 = 4
So, 3 + 1 = 2 + 2.
Question 12.
___ – 1 = 9 – 7
Answer:
3 – 1 = 9 – 7
Explanation:
9 – 7 = 2
3 – 1 = 2
So, 3 – 1 = 9 – 7.
Question 13.
10 – ___ = 4 + 3
Answer:
10 – 3 = 4 + 3
Explanation:
4 + 3 = 7
10 – 3 = 7
So, 4 + 3 = 10 – 7.
Question 14.
6 + ___ = 2 + 3 + 1
Answer:
6 + 0 = 2 + 3 + 1
Explanation:
2 + 3 + 1 = 6
6 + 0 = 6
So, 6 + 0 = 2 + 3 + 1.
Question 15.
4 = ___ – 9
Answer:
4 = 13 – 9
Explanation:
Add 9 and 4
9 + 4 = 13
So, 13 – 9 = 4.
Question 16.
___ + 5 = 2 + 9
Answer:
6 + 5 = 2 + 9
Explanation:
2 + 9 = 11
6 + 5 = 11
So, 6 + 5 = 2 + 9.
Question 17.
Open Ended Write numbers to make each equation true.
__ + 6 = 1 + ___
5 + __ = 8 – ___
Answer:
2 + 6 = 1 + 7
5 + 2 = 8 – 1
Explanation:
I wrote the numbers in the equations so that each equation will be true
2 + 6 = 8
1 + 7 = 8
So, 2 + 6 = 1 + 7
5 + 2 = 7
8 – 1 = 7
So, 5 + 2 = 8 – 1.
On Your Own
Question 18.
Look at the equation. Use the same numbers. Write a different equation that is true.
Answer:
Explanation:
The given addition equation is 6 + 7 = 13
I used the same numbers 6, 7 and 13
I wrote a subtraction equation 13 – 7 = 6
So, 6 = 13 – 7.
Question 19.
Reason Use two cards to write an equation that is true.
Answer:
Explanation:
I drew circles around the cards i used
3 + 9 = 12
8 + 4 = 12
So, 3 + 9 = 8 + 4.
Question 20.
Reason Use two cards to write an equation that is true.
Answer:
Explanation:
I circled the two cards that i used
2 + 3 + 4 = 9
15 – 6 = 9
So, 2 + 3+ 4 = 15 – 9.