Refer to our Texas Go Math Grade 3 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 3 Module 5 Assessment Answer Key.

## Texas Go Math Grade 3 Module 5 Assessment Answer Key

**Vocabulary**

**Choose the best term from the box to complete the sentence.**

Question 1.

Addition and subtraction are opposite operations, or ____. (p. 145)

Answer: Compatible numbers

Explanation:

Compatible numbers are pairs of numbers that are easy to add, subtract, multiply, or divide mentally.

**Concepts and Skills**

**Use rounding or compatible numbers to estimate the difference.** TEKS 3.4.B

Question 2.

Answer:

Question 3.

Answer:

Question 4.

Answer:

**Estimate. Find the difference. Then add to check.** TEKS 3.4.A

**Fill in the bubble for the correct answer choice.**

Question 5.

Estimate: ____

Answer:

Explanation:

Estimate: 530 – 400 = 130

The difference is again added to verify

Question 6.

Estimate: ____

Answer:

Explanation:

Estimate: 1000 – 500 = 500

The difference is again added to verify

Question 7.

Estimate: ____

Answer:

Explanation:

Estimate: 800 – 300= 500

The difference is again added to verify

**Estimate. Then find the difference.** TEKS 3.4.A, 3.4.B

Question 8.

Estimate: ___

Answer:

Explanation:

Estimate: 350 – 250 = 100

The difference is 94

Question 9.

Estimate: ___

Answer:

Explanation:

Estimate: 500 – 200 = 300

The difference is 301

Question 10.

Estimate: ___

Answer:

Explanation:

Estimate: 800 – 500 = 300

The difference is 252

Question 10.

Estimate: ___

Answer:

Explanation:

Estimate: 800 – 500 = 300

The difference is 252

Question 11.

Estimate:

Answer:

Explanation:

Estimate: 800 – 100= 700

The difference is 699

**Texas Test Prep**

**Fill in the bubble for the correct answer choice.**

Question 12.

Jana has 147 rose bushes in her garden. She moves 119 of them to another garden. Which is the best estimate for the number of rose bushes she has left? TEKS 3.4.B

(A) about 50

(B) about 40

(C) about 60

(D) about 30

Answer: D

Explanation:

150 – 120 = 130

is the best estimate for the number of rose bushes she has left

Question 13.

Lee is going to visit his grandmother. The car trip takes 56 minutes. If he stops for a snack after 17 minutes, about how much time is left for the trip? TEKS 3.4.A, 3.4.B

(A) 40 minutes

(B) 30 minutes

(C) 10 minutes

(D) 20 minutes

Answer: A

Explanation:

60 – 20 = 40 minutes time is left for the trip

Question 14.

Angel’s school is having a used book sale. Their goal is to sell 600 books. They sold 240 books last week. This week they have sold 297 books. How many more books does the school need to sell to reach its goal? jy TEKS 3.4.A

(A) 537

(B) 163

(C) 63

(D) 297

Answer: C

Explanation:

240 + 297 = 537

600 – 537 = 63 more books does the school need to sell to reach its goal

Question 15.

The tallest tree in the forest is 363 feet tall. The second tallest tree is 329 feet tall. Rounded to the nearest ten what is the difference in heights? TEKS 3.4.B

Record your answer and fill in the bubbles on the grid. Be sure to use the correct place value.

Answer:

Explanation:

0 in hundreds, 3 in tenths and 4 in ones

363 – 329 = 34