Refer to our Texas Go Math Grade 4 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 4 Unit 2 Answer Key Number and Operations: Whole Number and Decimal Operations.

## Texas Go Math Grade 4 Unit 2 Answer Key Number and Operations: Whole Number and Decimal Operations

**Show What You Know**

**Check your understanding of important skills.**

**3-Digit Subtraction Within 1,000** Find the difference.

Question 1.

Answer:

Explanation:

Three digit subtraction

The difference of 626 and 8 is 618

Question 2.

Answer:

Explanation:

Three digit subtraction

The difference of 744 and 36 is 710

Question 3.

Answer:

Explanation:

Three digit subtraction

The difference of 413 and 37 is 376

Question 4.

Answer:

Explanation:

Three digit subtraction

The difference of 681 and 422 is 259

Question 5.

Answer:

Explanation:

Three digit subtraction

The difference of 247 and 105 is 140

Question 6.

Answer:

Explanation:

Three digit subtraction

The difference of 624 and 69 is 555

Question 7.

Answer:

Explanation:

Three digit subtraction

The difference of 599 and 195 is 404

Question 8.

Answer:

Explanation:

Three digit subtraction

The difference of 691 and 337 is 354

**Practice Multiplication Facts** Find the product.

Question 9.

8 × 7 = ___________

7 × 8 = ___________

Answer:

8 × 7 = 56

7 × 8 = 56

Explanation:

The product of both the equations are same

Question 10.

4 × 6 = ___________

6 × 4 = ___________

Answer:

4 × 6 = 24

6 × 4 = 24

Explanation:

The product of both the equations are same

Question 11.

3 × 5 = ___________

5 × 3 = ___________

Answer:

3 × 5 = 15

5 × 3 = 15

Explanation:

The product of both the equations are same

Question 12.

6 × 9 = ___________

9 × 6 = ___________

Answer:

6 × 9 = 54

9 × 6 = 54

Explanation:

The product of both the equations are same

**Model Division with Arrays** Draw to complete each array. Then complete the number sentence.

Question 13.

8 ÷ 4 = ___________

Answer: 2

Explanation:

2 x 4 = 8

Division and multiplication are inverse operations

Question 14.

21 ÷ 3 = ___________

Answer: 7

Explanation:

3 x 7 = 21

Division and multiplication are inverse operations

**Vocabulary Builder**

**Visualize It**

Review Words:

- divide
- dividend
- division
- divisor
- factor
- multiple
- multiplication
- product
- quotient

Preview Words:

- compatible numbers
- Distributive Property
- partial product
- partial quotient
- remainder

**Sort the words into the Venn diagram.**

Answer:

Explanation:

The words are separated in the Venn diagram

according to the multiplication words and the division words

**Understand Vocabulary**

**Write the word that answers the riddle.**

Question 1.

I am the method of dividing in which multiples of the divisor are subtracted from the dividend and then the quotients are added together. _________________

Answer: Partial quotient

Question 2.

I am the number that is to be divided in a division problem. _________________

Answer: Dividend

Question 3.

I am the amount left over when a number cannot be divided equally. _________________

Answer: Remainder

Question 4.

I am the method of multiplying in which the ones, tens, hundreds, and so on are multiplied separately and then the products are added together. _________________

Answer: Partial Products

**Reading & Writing**

Name _________________

Vocabulary

Sometimes when you multiply greater numbers, you can estimate the product by rounding factors to the greatest place value.

A movie theater is expanding its 218 seats to three times that number. About how many seats will the theater have?

Answer: nearest number of 218 is 200

200 x 3 = 600

Fill in the chart to estimate the product of 3 × 218.

Answer:

nearest number of 218 is 200

200 x 3 = 600

Fill in the chart to estimate the product of 24 × 49.

Answer:

Explanation:

Rounded the 24 to 20 and 49 to 50

Writing Write down a 1-digit and a 4-digit number and estimate the product.

Answer: 8 and 2222

Explanation:

8 is rounded to 10

2222 is rounded to 2000

10 x 2000 = 20000

Reading Look for this book in your library. Great Estimations, by Bruce Goldstone

Answer:

**Get Ready Game**

**Digit Division**

Object of the Game Create a division problem with the smallest remainder.

Materials:

- 3 sets of 1-9 number cards
- One number cube labeled with digits 2, 3, 4, 5, 6, and 9

Set up:

Shuffle the number cards. Label a number cube with the digits 2, 3, 4, 5, 6, and 9.

Number of players 2

**How to play**

Question 1.

Player 1 picks three number cards. Player 2 tosses the number cube. Each player makes a dividend from the digits on the number cards. Players divide by the number on the number cube.

Explanation:

6 divided by 2 is 3

Question 2.

Players earn points equal to the remainder. If the remainder is 0, the player earns no points.

Answer:

the number card is showing 5

and the digit on the cube is also 5

5 divided by 5 = 1

the remainder is 0

Question 3.

Play continues until there are no more number cards. The points are added up, and the player with the lowest total wins the game.

Answer:

Who gets the remainder as 0 they wins the game