Homework M5L4-11 Adding/Subtracting 3-digits

Aaron has 345 marbles and Zoeey gives him 276 more marbles. What is the total number of marbles Aaron has now?

• 69

• 621

• 619

• 631

Answer explanation

To find the sum of 345 and 276, we add the digits starting from the right: 5 + 6 = 11 (write 1, carry 1), 4 + 7 + 1 = 12 (write 2, carry 1), 3 + 2 + 1 = 6. Thus, 345 + 276 = 621.

Tags

CCSS.3.OA.D.8

Brayden has 482 marbles, and he gives 157 marbles to his friend. How many marbles does Brayden have left?

• 325

• 335

• 639

• 539

Answer explanation

To subtract 157 from 482 using place value discs, align the values by place. Start with the ones: 2 - 7 (borrow), then tens: 7 - 5, and hundreds: 4 - 1. The result is 325, making it the correct answer.

Tags

CCSS.3.OA.D.8

Kassandra has 563 marbles and Angel gives her 148 more. How many marbles does Kassandra have now?

• 415

• 711

• 721

• 731

Answer explanation

To find 563 + 148, add the digits starting from the right: 3 + 8 = 11 (write 1, carry 1), 6 + 4 + 1 = 11 (write 1, carry 1), 5 + 1 = 6. Thus, 563 + 148 = 711, making 711 the correct answer.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Jazlynn has 739 marbles and she gives 284 marbles to her friend. How many marbles does Jazlynn have left?

• 455

• 465

• 1023

• 485

Answer explanation

To calculate 739 - 284 using place value discs, subtract the hundreds, tens, and units separately. 700 - 200 = 500, 30 - 80 = -50 (borrow), and 9 - 4 = 5. Combining gives 500 + 0 + 55 = 455, which is the correct answer.

Tags

CCSS.4.OA.A.3

Omar has 214 marbles and Miah gives him 389 more marbles. How many marbles does Omar have in total?

• 593

• 603

• 175

• 623

Answer explanation

To find the sum of 214 and 389 using place value discs, align the values by their place values: 200 + 300 = 500, 10 + 80 = 90, and 4 + 9 = 13. Adding these gives 500 + 90 + 13 = 603, which is the correct answer.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Annalee has 651 marbles and she gives 432 marbles to Omar. How many marbles does Annalee have left?

• 219

• 221

• 1083

• 231

Answer explanation

To subtract 432 from 651 using place value discs, we align the numbers by place value. Starting from the right, we subtract: 1-2 (borrow), 5-3, and 6-4. This gives us 219. Thus, the correct answer is 219.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Eliana has 487 marbles and Nevaeh gives her 256 more marbles. Using place value discs, find the total number of marbles Eliana has now.

• 231

• 743

• 753

• 763

Answer explanation

To find the sum of 487 and 256, align the numbers by place value: 487 + 256 = 743. Thus, the correct answer is 743.

Tags

CCSS.2.NBT.B.7

Kassandra has 528 marbles and she gives 317 marbles to Angel. How many marbles does Kassandra have left?

• 201

• 211

• 845

• 231

Answer explanation

To solve 528 - 317 using place value discs, subtract the hundreds, tens, and units separately. 500 - 300 = 200, 20 - 10 = 10, and 8 - 7 = 1. Adding these gives 200 + 10 + 1 = 211, which is the correct answer.

Tags

CCSS.3.OA.D.8

Maia has 392 marbles and Landon gives her 418 more marbles. How many marbles does Maia have in total?

• 26

• 810

• 820

• 830

Answer explanation

To add 392 and 418 using place value discs, align the values by their place values: 300 + 400 = 700, 90 + 10 = 100, and 2 + 8 = 10. Adding these results gives 700 + 100 + 10 = 810, which is the correct answer.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Nevaeh has 764 marbles, and she gives 289 marbles to her friend. Using place value discs, how many marbles does Nevaeh have left?

• 475

• 1053

• 495

• 505

Answer explanation

To find 764 - 289, subtract the digits starting from the right. 4 - 9 requires borrowing, making it 14 - 9 = 5. Next, 5 - 8 also requires borrowing, resulting in 15 - 8 = 7. Finally, 6 - 2 = 4. Thus, the answer is 475.

Tags

CCSS.2.NBT.B.7