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## Texas Go Math Grade 3 Lesson 5.2 Answer Key Use Place Value to Subtract

**Unlock the Problem**

Ava sold 473 tickets for the school play. Kim sold 294 tickets. How many more tickets did Ava sell than Kim?

Do you need to combine or compare the number of tickets sold?

Answer:

Ava sold 179 more tickets.

We compare the number of tickets sold.

Explanation:

Ava sold 473 tickets.

Kim sold 294 tickets.

By comparing the tickets sold by both of them, Ava sold more.

Circle the numbers you will need to use.

Answer:

Explanation:

Circle the number of tickets sold by Ava i.e., 473 tickets.

Circle the number of tickets sold by Kim i.e., 294 tickets.

**Use place value to subtract.**

Subtract. 473 – 294

Estimate. 475 – 300 = __________

STEP 1:

Subtract the ones.

3 < 4, so regroup.

7 tens 3 ones =

6 tens ________ ones

STEP 2:

Subtract the tens.

6 < 9, so regroup.

4 hundreds 6 tens =

3 hundreds ________ tens

STEP 3:

Subtract the hundreds. Add to check your answer.

Addition and subtraction are opposite operations, or inverse operations. So you can use addition to check subtraction.

So, Ava sold Since ___________ more tickets than Kim.

Since _________ is close to the estimate of __________, the answer is reasonable.

Answer:

Ava sold Since 179 more tickets than Kim.

Since 179 is close to the estimate of 180 the answer is reasonable.

Explanation:

Ava sold 473 tickets.

Kim sold 294 tickets.

By comparing the tickets sold by both of them, Ava sold more.

**Math Talk**

**Mathematical Processes**

Explain how you know your answers are reasonable.

Answer:

Rounding the number to nearer to ten or hundred to get a simple number.

So, the answer is reasonable.

**Try This!** Circle the problem in which you need to regroup. Find the difference.

A.

Answer: 220

Explanation:

521 – 301 = 220

No need to regroup, because the difference is nearer to its ten.

B.

Answer: 491

Explanation:

This problem to be circled

918 – 427 = 491

Regrouping to be done as shown below

**Share and Show**

Question 1.

Estimate. Then use place value to find 627 – 384. Add to check your answer.

Estimate. ________ – _______ = __________

Since ________ is close to the estimate of ________, the answer is reasonable.

Answer: 243

Estimate. 625 – 385 = _240__

Since 243 is close to the estimate of 240 the answer is reasonable.

**Math Talk**

**Mathematical Processes**

Did you need to regroup to find the difference? Explain.

Answer: Yes

Explanation:

Line up the tens place and the ones place and get ready to subtract the ones.

But you cant subtract 9 from 7 because 9 is bigger than 7.

So you have to take one group of 10 (ten 1s) from the tens place.

Now you have 7 groups of ten and seventeen 1s.

You’ve regrouped the 87 into different sized groups.

If subtraction between the smaller to bigger number

Example 9 – 7

Regrouping to be done

**Estimate. Then find the difference.**

Question 2.

Estimate: _________

Answer: 263

Estimate: 260

Explanation:

385 – 125 = 260

Since 263 is close to the estimate of 260 the answer is reasonable.

Question 3.

Estimate: __________

Answer: 314

Estimate: 310

Explanation:

520 – 200 = 320

Since 314 is close to the estimate of 310 the answer is reasonable.

Question 4.

Estimate: ___________

Answer: 483

Estimate: 480

Explanation:

640 – 160 = 480

Since 483 is close to the estimate of 480 the answer is reasonable.

Question 5.

Estimate: ___________

Answer: 22

Estimate: 20

Explanation:

240 – 220 = 20

Since 22 is close to the estimate of 20 the answer is reasonable.

**Math Talk**

**Mathematical Processes**

Which exercises can you compute mentally? Explain why.

Answer:

Using place value to subtract.

Explanation:

STEP 1:

Subtract the ones, tens, hundreds and so on,

first regroup and estimate the answer.

For example:

3 < 4, so regroup.

7 tens 3 ones =

6 tens ________ ones

**Problem Solving**

**H.O.T. Algebra** Find the unknown number.

Question 6.

Answer: 24

Explanation:

**n** is unknown number

86 – n = 62

86 – 62 = n

n = 24

Question 7.

Answer: 132

Explanation:

372 – n = 240

372 – 240 = n

n = 132

Question 8.

Answer: 368

Explanation:

537 – n = 169

537 – 169 = n

n = 368

Question 9.

Answer: 294

Explanation:

629 – n = 335

629 – 335 = n

n = 294

Question 10.

The Dessert Store bought 120 peaches. The bakers made peach jam and peach pies with 98 of the peaches. How many peaches are left to make peach cobbler?

Answer:

22 peaches left to make cobbler

Explanation:

The Dessert Store bought 120 peaches.

The bakers made peach jam and peach pies with 98 of the peaches.

Number of peaches left

120 – 98 = 22

Question 11.

**Multi-Step** The stamp store has 857 stamps for sale. They sold 156 stamps on Monday and 348 stamps on Tuesday. How many stamps do they have left for sale on Wednesday?

Answer:

353 left for sale on Wednesday

Explanation:

The stamp store has 857 stamps for sale.

They sold 156 stamps on Monday and 348 stamps on Tuesday.

Number of stamps left for sale on Wednesday

156 + 348 = 504

857 – 504 = 353

**Problem Solving**

**Use the table for 12-13.**

Question 12.

How many more tickets did Sonja sell than Matt?

Answer:

153 more tickets did Sonja sell than Matt

Explanation:

Sonja sold 331 tickets.

Matt sold 178 tickets.

By comparing both Sonja sold more.

331 – 178 = 153

Question 13.

**H.O.T. Multi-Step** Alicia sold 59 fewer tickets than Jenna and Matt sold together. How many tickets did Alicia sell? Explain.

Answer:

223 tickets.

Explanation:

Alicia sold 59 fewer tickets than Jenna and Matt sold together.

We know from the given table Jenna sold 282 tickets.

Matt sold 178 tickets.

Number of tickets sold by Alicia

282 – 59 = 223

Question 14.

**H.O.T. Sense or Nonsense?** Nina says to check subtraction, add the difference to the number you started with. Does this statement make sense? Justify.

Answer: Yes.

Subtraction is opposite to addition.

Addition is used to check for subtraction errors by adding the answer we find to the bottom number in the problem.

Explanation:

Question 15.

**Use Math Language** Do you have to regroup to find 523 – 141? Explain. Then solve.

Answer:

YES, Regroup is to be done

Explanation:

Subtract the ones, tens and hundreds. Add to check your answer

**Daily Assessment Task**

**Fill in the bubble for the correct answer choice. You may add to check your answer.**

Question 16.

A company has 228 large water bikes and 136 small water bikes. How many more large water bikes does the company have than small water bikes?

(A) 92

(B) 94

(C) 112

(D) 191

Answer:

Option (A)

Explanation:

A company has 228 large water bikes and 136 small water bikes.

Number of more large water bikes the company have than small water bikes

228 – 136 = 92

Question 17.

A store has 448 blankets and 607 pillows. How many fewer blankets does the store have than pillows?

(A) 168

(B) 159

(C) 161

(D) 249

Answer:

Option (B)

Explanation:

A store has 448 blankets and 607 pillows.

Number of fewer blankets the store have than pillows

607 – 448 = 159

Question 18.

**Multi-Step** Hannah, Sam, and Alex play a game. Hannah has 325 points. Sam has 234 points. Alex has 124 fewer points than Hannah and Sam together. How many points does Alex have?

(A) 683

(B) 559

(C) 435

(D) 201

Answer:

Option (C)

Explanation:

Hannah has 325 points.

Sam has 234 points.

Alex has 124 fewer points than Hannah and Sam together.

Number of points Alex has

325 + 234 = 559

559 – 124 =435

**Texas Test Prep**

Question 19.

There are 842 seats in the school auditorium. 138 seats need repairs. How many seats do not need repairs?

(A) 804

(B) 980

(C) 716

(D) 704

Answer:

Option (D)

Explanation:

There are 842 seats in the school auditorium.

138 seats need repairs.

Number of seats do not need repairs

842 – 138 = 704

### Texas Go Math Grade 3 Lesson 5.2 Homework and Practice Answer Key

**Estimate. Then find the difference.**

Question 1.

Estimate: _________

Answer: 259

Estimate: 260

Explanation:

rounding the 427 to 430 and 168 to 170

estimate is 260

430 – 170 = 260

Question 2.

Estimate: _________

Answer: 607

Estimate: 610

Explanation:

rounding the 846 to 850 and 239 to 240

850 – 240 = 610

Question 3.

Estimate: __________

Answer: 347

Estimate: 350

Explanation:

780 – 430 = 350

**Use the table for 4-6.**

Question 4.

About how many more black bears than grizzly bears are at Yellowstone Park?

Answer: 246

Explanation:

Number of black bears = 729

Number of grizzly bears = 483

By comparing both, black bears are more.

729 – 483 = 246

Question 5.

How many more black bears are there than brown bears at the park?

Answer: 348

Explanation:

Number of black bears = 729

Number of brown bears = 381

By comparing both, black bears are more.

729 – 381 = 348

Question 6.

How many more grizzly and brown bears are there than black bears?

Answer: 102

Explanation:

Number of brown bears = 381

Number of grizzly bears = 483

By comparing both, grizzly bears are more.

483 – 381 = 102

**Problem Solving**

Question 7.

Fiona subtracts 617 – 234 = 483. Is her answer correct? Explain.

Answer: NO

Explanation:

When we subtract the difference is more than 100 than the actual sum.

617 – 234 = 383

So, Fiona answer is wrong.

Question 8.

Byron’s Math Club wants to sell 500 boxes of granola bars. So far, they have sold 287 boxes. How many more boxes do they need to sell?

Answer: 213

Explanation:

Byron’s Math Club wants to sell 500 boxes of granola bars.

So far, they have sold 287 boxes.

Number of boxes need to sell

500 – 287 = 213

**Lesson Check**

Question 9.

There are 526 students at the New City Elementary School. Of these, 178 are in the third grade. How many students are not in the third grade?

(A) 448

(B) 348

(C) 358

(D) 458

Answer:

Option (B) 348

Explanation:

There are 526 students at the New City Elementary School.

Of these, 178 are in the third grade.

Number of students not in grade 3

526 – 178 = 348

Question 10.

In the morning, there are 472 visitors at the Street Fair. In the afternoon there are 218 visitors. About how many more visit the fair in the morning?

(A) about 250

(B) about 350

(C) about 700

(D) about 500

Answer:

Option (A)

Explanation:

There are 472 visitors at the Street Fair.

In the afternoon there are 218 visitors.

Number of visitors in morning

472 – 218 = 254

ESTIMATE : 470 – 220 = 250

Question 11.

The third grade collects 417 bottles to recycle. The fourth grade collects 378 bottles. How many more bottles does the third grade collect?

(A) 49

(B) 139

(C) 39

(D) 149

Answer:

Option (C)

Explanation:

The third grade collects 417 bottles to recycle.

The fourth grade collects 378 bottles.

By comparing both the grades, 3 grade collected more

417 – 378 = 39

Question 12.

A museum store has 239 posters, 125 calendars, and 547 books. How many more books than posters does the museum store have?

(A) 114

(B) 312

(C) 422

(D) 308

Answer:

Option (D)

Explanation:

A museum store has 239 posters, 125 calendars, and 547 books.

Number of books more than poster

547 – 239 = 308

Question 13.

**Multi-Step** Darius has 127 photos. Miquel has 179 photos and Jillian has 467 photos. How many more photos does Lillian have than both Darius and Miquel?

(A) 773

(B) 171

(C) 261

(D) 161

Answer:

Option (D)

Explanation:

Darius has 127 photos.

Miquel has 179 photos.

Jillian has 467 photos.

Number of photos Jillian have than both Darius and Miquel

127 + 179 = 306

467 – 306 = 161

Question 14.

**Multi-Step** Beth, Dan, and Yoshi collect stamps. Beth has 157 stamps. Dan has 265 stamps. Yoshi has 79 fewer stamps than Beth and Dan. How many stamps does Yoshi have?

(A) 343

(B) 333

(C) 243

(D) 233

Answer:

Option (A)

Explanation:

Beth has 157 stamps.

Dan has 265 stamps.

Yoshi has 79 fewer stamps than Beth and Dan.

Number of stamps does Yoshi have

157 + 265 = 422

422 – 79 = 343