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 Module 13 Assessment Answer Key.

## Texas Go Math Grade 1 Module 13 Assessment Answer Key

**Vocabulary**

Question 1.

Complete the related facts. (p. 460)

9 + ________ = 15

6 + _________ = 15

15 – _________ = 9

15 – _________ = 6

Answer:

9 + 6 = 15

6 + 9 = 15

15 – 6 = 9

15 – 9 = 6

**Concepts and Skills**

Question 2.

Complete the related facts (TEKS 1.5.F, 1.5.G)

________ + 8 = 17

8 + 9 = __________

17 – ________ = 9

_________ – ____________ = ___________

Answer:

9 + 8 = 17

8 + 9 = 17

17 – 8 = 9

17 – 9 = 8

Question 3.

Subtract. Then add to check your answer. (TEKS 1.5.F, 1.S.G)

Answer:

Question 4.

Write the unknown numbers. Explain how you got your answer. (TEKS 1.5.F, 1.S.G)

________ + 5 = 13

13 – 5 = __________

Answer:

8 + 5 = 13

13 – 5 = 8

**Choose the correct answer.**

Question 5.

Which number will show expressions of the same value? (TEKS 1.5.E)

0 + 9 = _________ – 9

(A) 18

(B) 9

(C) 0

Answer:

18 – 9 = 9

18 will show expressions of the same value.

Thus the correct answer is option A.

Question 6.

Which is the related fact for 9 + 5 = 14? (TEKS 1.5.F, 1.5.G)

(A) 14 – 5 = 9

(B) 9 – 5 = 4

(C) 14 – 4 = 10

Answer:

9 + 5 = 14

14 – 5 = 9

Question 7.

Which addition fact can you use to check the subtraction for 15 – 6 = ________? (TEKS 1.5.F, 1.5.G)

(A) 5 + __________ = 15

(B) 6 + __________ = 15

(C) 10 = __________ = 15

Answer:

15 – 6 = 9

6 + 9 = 15

The correct answer is option B.

Question 8.

Which number completes the related fact? 9 + 9 = ________ and ________ – 9 = 9 (TEKS 1.5.F, 1.5.G)

(A) 19

(B) 16

(C) 18

Answer:

9 + 9 = 18

18 – 9 = 9

Thus the answer is 18 that is option C.

Question 9.

Which expressions have an equal value? (TEKS 1.5.E)

(A) 5 + 12 = 12 – 5

(B) 2 + 10 = 7 + 5

(C) 18 – 7 = 11 + 7

Answer:

(B) 2 + 10 = 7 + 5 = 12

Thus the correct answer is option B.