Addition with Regrouping
Subtraction with Regrouping
Rounding
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100

What is the sum of 136 and 153?

289

100

What is the difference of 487 and 255?

232

100

What is 478 rounded to the nearest hundred?

500

100

Find the sum of 536 and 384. Use place value and find the sum of the hundreds, tens, and ones place. 

500+300= 800, 30+80=110, 6+4=10, 800+110+10= 920

100

How would you use place-value blocks to regroup to solve 416-326? What is the answer?

I would regroup a hundreds block into 10 tens rods. The difference is 90. 

200

What is the sum of 236 and 495?

731

200

What is the difference between 532 and 298?

234

200

What is 735 rounded to the nearest ten?

740

200

Which addends are broken apart correctly? Select all that apply. 

A. 350+179 (300+100) + (50+70) + (50+9)

B. 552+270 (500+200) + (50+70) + 2

C. 726+330 (700+300) + (20 +30) + (6+5)

D. 418+493 (400+400) + (10+90) + (8+3)

B and D

200

Put the steps in order to solve 865- 556. What is the answer?

A. Subtract 315-6. 

B. Subtract 365- 50

C. Subtract 865-500

C, B, A. 309. 

300

A store has 585 basketballs and 335 volleyballs. How many balls does the store have?

The store has 920 balls left. 

300

The bakery had 747 cookies in the beginning of the day, they sold 469 cookies during lunch time. How many cookies do they have left?

The bakery has 278 cookies left.

300

What is 249 rounded to the nearest hundred?

200

300

What is the sum of 267, 143, and 99?

509

300

Use place value to subtract 549 from 723. What is your answer? How many times do you need to regroup?


174, 2 times

400

What is the sum of 149, 139, 95?

383

400

What is the difference between 400 and 333?

67

400

Round the following numbers to the nearest hundred... 485, 232, 850. 

500, 200, 900

400

Find 373+30. Then subtract the sum from 552. 

403. 149. 

400

What is the difference between 255+488+199 and 789?

942-789=153

500

A book store has 125 non-fiction books, 265 fiction books, and 678 books in other genres. How many books does the book store have?

The book store has 1,068 books left. 

500

A bus is able to fit 45 students. If 27 students already got on the bus, how many more students can get on the bus?

The bus can fit 18 more students. 

500

Round the following numbers to the nearest tens place... 45, 299, 401, 532. 

50, 300, 400, 530

500

What is an estimate of 451 and 389 to the nearest tens place? Subtract those estimates. Now subtract the original numbers. Are your estimated and exact answers reasonable?

Estimates: 450 and 390. Estimated difference=60. Exact difference= 62. Yes the answers are both reasonable. 

500

Is 875- 688 less than 190? Defend your answer. 

Yes, the difference between the numbers is 187 which is less than 190.