Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Lesson 7.3 Answer Key Use Think Addition to Subtract.
Texas Go Math Grade 1 Lesson 7.3 Answer Key Use Think Addition to Subtract
Essential Question
How can you use addition to help you find the answer to a subtraction fact?
Explanation:
An addition fact can help you subtract.
4 + 6 = 10
10 – 6 = 4
Explore
Use 
Draw to show your work. Write the number sentences.
What is 10 – 3?
Explanation:
10 – 3 = 7
is the subtraction fact
derived a addition fact from it.
For The Teacher
- Read the problem. Maria has 7 games. She gets 3 more. How many games does she have? Children use the top workspace to solve. Then have children solve this problem: Maria has 10 games. She gives 3 of them to her friends. How many games does Maria have now?
Explanation:
7 + 3 = 10
10 games she have now.
10 – 3 = 7
so, she has 7 games now
Math Talk
Mathematical Processes
Do your answers make sense? Explain.
Explanation:
10 – 3 = 7
and 7 + 3 = 10
so this facts says my answers make sense.
Model and Draw
An addition fact can help you subtract.
What is 8 – 6?
Answer:
Explanation:
An addition fact that helped to find subtraction fact.
Share and Show
Think of an addition fact to help you subtract.
Question 1.
What is 8 – 6?
Answer:
Explanation:
Addition fact helped to find the subtraction fact
Question 2.
What is 11 – 5?
Answer:
Explanation:
Addition fact helped to find the subtraction fact
Question 3.
What is 10 – 8?
Answer:
Explanation:
Addition fact helped to find the subtraction fact
Question 4.
What is 7 – 4?
Answer:
Explanation:
Addition fact helped to find the subtraction fact
Problem Solving
Think of an addition fact to help you subtract.
Question 5.
Answer:
Explanation:
Addition fact helped to find the subtraction fact
Question 6.
Answer:
Explanation:
Addition fact helped to find the subtraction fact
Question 7.
Answer:
Explanation:
Addition fact helped to find the subtraction fact
7 – 5 = 2
2 + 5 = 7
Question 8.
Answer:
Explanation:
Addition fact helped to find the subtraction fact
10 – 5 = 5
5 + 5 = 10
Question 9.
Answer:
Explanation:
Addition fact helped to find the subtraction fact
8 – 5 = 3
3 + 5 = 8
Question 10.
Answer:
Explanation:
Addition fact helped to find the subtraction fact
11 – 6 = 5
5 + 6 = 11
Question 11.
Answer:
Explanation:
Addition fact helped to find the subtraction fact
13 – 7 = 6
6 + 7 = 13
Question 12.
Emil has 13 pencils in a cup. He takes some pencils out. There are 6 pencils left in the cup. How many pencils does he take out?
What addition fact can you use to solve this problem?
___ + ___ = ______
So, Emil takes out ______ pencils.
Answer:
So, Emil takes out 7 pencils.
Explanation:
Emil has 13 pencils in a cup. He takes some pencils out.
There are 6 pencils left in the cup.
13 – 6 = 7
7 pencils that he take out
Question 13.
H.O.T. Multi-Step Mark has 5 red pens and 2 blue pens. He gives 1 blue pen and 1 red pen to Anna. How many pens does he have now?
___ pens
Answer:
Explanation:
Mark has 5 red pens and 2 blue pens.
5 + 2 = 5
He gives 1 blue pen and 1 red pen to Anna.
1 + 1 = 2
5 – 2 = 3
3 pens that he have now
Daily Assessment Task
Choose the correct answer.
Question 14.
Rosa has 13 red marbles and 9 blue marbles. How many more red marbles than blue marbles does Rosa have?
(A) 2 more
(B) 3 more
(C) 4 more
Answer: C
Explanation:
Rosa has 13 red marbles and 9 blue marbles.
13 – 9 = 4
4 more red marbles than blue marbles that Rosa have
Question 15.
Analyze Javier is finding 12 – 6. Which addition fact will help him sùbtract?
(A) 6 + 6 = 12
(B) 6 + 4 = 10
(C) 6 + 8 = 14
Answer: A
Explanation:
Analyze Javier is finding 12 – 6.
12 – 6 = 6
6 + 6 = 12 fact will help him subtract
Question 16.
Multi-Step Monique has 14 balloons. She gives 6 balloons to her brother. Then she gives 3 balloons to her sister. How many balloons does Monique have now?
(A) 8
(B) 5
(C) 9
Answer: B
Explanation:
Monique has 14 balloons. She gives 6 balloons to her brother.
14 – 6 = 8
Then she gives 3 balloons to her sister.
8 – 3 = 5
5 balloons that Monique have now
Question 17.
Texas Test Prep Which subtraction sentence can you solve by using 3 + 9 = 12?
(A) 9 – 3 = ___
(B) 12 – 6 = __
(C) 12 – 3 = ____
Answer: C
Explanation:
12 – 3 = 9 is the subtraction sentence that can be solved by using 3 + 9 = 12
Take Home Activity
- Ask your child to explain how the addition fact 8 + 6 = 14 can help him or her to find 14 – 6.
Explanation:
8 + 6 = 14
14 – 6 = 8
Texas Go Math Grade 1 Lesson 7.2 Homework and Practice Answer Key
Think of an addition fact to help you subtract.
Question 1.
Answer:
Explanation:
Addition fact helped to find the subtraction fact
Question 2.
Answer:
Explanation:
Addition fact helped to find the subtraction fact
Question 3.
Answer:
Explanation:
Addition fact helped to find the subtraction fact
9 – 4 = 5
5 + 4 = 9
Question 4.
Answer:
Explanation:
Addition fact helped to find the subtraction fact
12 – 6 = 6
6 + 6 = 12
Question 5.
Answer:
Explanation:
Addition fact helped to find the subtraction fact
15 – 8 = 7
8 + 7 = 15
Question 6.
Answer:
Explanation:
Addition fact helped to find the subtraction fact
10 – 4 = 6
6 + 4 = 10
Question 7.
Answer:
Explanation:
Addition fact helped to find the subtraction fact
14 – 6 = 8
6 + 8 = 14
Problem Solving
Question 8.
Leanna invites 15 children to her party. Some children are not able to come. There are 9 children at the party. How many children did not come?
What addition fact can you use to solve this problem?
___ + ___ = ____
So, ____ children do not come to the party.
Answer:
6 + 9 = 15
So, 6 children do not come to the party.
Explanation:
Leanna invites 15 children to her party.
Some children are not able to come.
There are 9 children at the party
15 – 9 = 6
6 children did not come
Lesson Check
Texas Test Prep
Choose the correct answer.
Question 9.
Micah wants to find 13 — 7. Which addition fact will help him subtract?
(A) 7 + 5 = 12
(B) 7 + 8 = 15
(C) 7 + 6 = 13
Answer:
Question 10.
Ashley has II dresses. Because 4 are too small, she gives them away. How many dresses does she have now?
Which addition fact helps you solve the problem?
(A) 3 + 8 = 11
(B) 6 + 8 = 14
(C) 4 + 7 = 11
Answer:
Question 11.
Which subtraction sentence can you solve using 4 + 8 = 12?
(A) 12 – 4 = ___
(B) 12 – 6 = ___
(C) 8 – 4 = ___
Answer:
Question 12.
Multi-Step Austin has 12 model planes. He breaks 3. Then 4 more break. How many model planes that are not broken does Austin have now?
(A) 6
(B) 5
(C) 8
Answer: