Master Addition and Subtraction Methods: Enhance Your Math Skills

Question 1

Arrange the numbers 405 and 279 in a vertical column addition format.

Accepted Answer

405
279
-----

Answer

450
279
-----

Answer

279
405
-----

Answer

279
450
-----

Question 2

Which of these methods is NOT a valid way to check your column addition answer?

Accepted Answer

Multiplying the numbers together

Answer

Adding the numbers in a different order

Answer

Subtracting the smaller number from the larger number

Answer

Estimating the answer

Question 3

In the following addition problem, 2456 + 3278, what is the value of the 5?

Accepted Answer

50

Answer

5

Answer

500

Question 4

When subtracting 1234 from 5678 using the column method, what digit do we borrow from?

Accepted Answer

The 5 in the hundreds column

Answer

The 6 in the tens column

Answer

The 7 in the thousands column

Question 5

When using column addition, where do we line up the numbers?

Accepted Answer

Vertically, with the digits in the same place value in each column

Answer

Horizontally, with the ones digit on the right

Answer

Diagonally, from top left to bottom right

Answer

In any way we want

Question 6

In subtraction, what do we do when there are not enough ones in the bottom number?

Accepted Answer

Borrow a ten from the next highest column

Answer

Subtract the ones anyway

Answer

Add a ten to the next highest column

Answer

Leave the ones blank

Question 7

Which method can we use to check our column addition?

Accepted Answer

Estimation

Answer

Division

Answer

Multiplication

Answer

Subtraction

Question 8

Which of the following is NOT a step in formal written subtraction?

Accepted Answer

Estimate the answer

Answer

Line up digits vertically

Answer

Borrow when necessary

Answer

Subtract from left to right

Question 9

Which expression shows the difference between 567 and 234?

Accepted Answer

567 - 234

Answer

234 - 567

Answer

234 + 567

Answer

567 / 234

Question 10

In the number 356, what value does the digit 5 represent?

Accepted Answer

50

Answer

5

Answer

500

Answer

5000

Question 11

How should you align numbers for column addition?

Accepted Answer

By the rightmost digit only

Answer

By the hundreds digit

Answer

By the leftmost digit only

Answer

By the tens digit

Question 12

Find the answer to 345 + 678:

Accepted Answer

1023

Answer

825

Answer

990

Answer

1121

Question 13

Which method is used when subtracting a larger number from a smaller number?

Accepted Answer

Borrowing

Answer

Decomposition

Answer

Expanded subtraction

Answer

Partial differences

Question 14

Is column subtraction always easier than column addition?

Accepted Answer

No

Answer

Yes

Question 15

Which of these is NOT a benefit of using formal written methods for addition and subtraction?

Accepted Answer

Easier mental computation

Answer

Greater accuracy

Answer

Faster calculations

Answer

Improved problem-solving skills

Question 16

What is the estimated answer to 345 + 279?

Accepted Answer

600

Answer

550

Question 17

Solve the addition problem 245 + 321 using the column method:

Accepted Answer

566

Answer

556

Answer

576

Question 18

What is the result of 654 - 278?

Accepted Answer

376

Answer

476

Answer

366

Question 19

When adding numbers using the column method, which digit do you start with?

Accepted Answer

The digit in the ones place

Answer

The digit in the tens place

Answer

The digit in the hundreds place

Answer

The largest digit in the number

Question 20

Estimate the answer to the addition: 456 + 372. Round each number to the nearest hundred and then add the rounded numbers.

Accepted Answer

800

Answer

700

Answer

900

Answer

1000

Question 21

Estimate the answer to the subtraction: 643 - 278. Round each number to the nearest hundred and then subtract the rounded numbers.

Accepted Answer

400

Answer

300

Answer

500

Answer

600

Question 22

Which of the following is NOT a benefit of using formal written methods in Maths?

Accepted Answer

Enhanced mental calculation

Answer

Increased accuracy

Answer

Improved efficiency

Answer

Greater clarity

Question 23

In written subtraction, if the digit in the bottom row is larger than the one above, what should you do?

Accepted Answer

Borrow from the next column

Answer

Subtract anyway

Answer

Add the digits

Answer

Leave it as it is

Question 24

A farmer has 345 sheep and sells 127 of them. How many sheep does he have left?

Accepted Answer

218

Answer

228

Answer

238

Answer

248

Question 25

What is the first step when subtracting 245 from 567 using the standard method?

Accepted Answer

Subtract the ones digits: 7 - 5 = 2

Answer

Subtract the hundreds digits: 5 - 2 = 3

Answer

Subtract the tens digits: 6 - 4 = 2

Question 26

What is the difference between 754 and 389?

Accepted Answer

365

Answer

265

Answer

465

Question 27

Which of the following methods can be used to check the accuracy of a column subtraction calculation?

Accepted Answer

Adding the subtrahend and the difference to get the minuend

Answer

Dividing the subtrahend by the difference

Answer

Multiplying the minuend by the subtrahend

Question 28

What is the correct way to set up the numbers 234 and 567 for column addition?

Accepted Answer

Align the numbers vertically, making sure the digits in the same place value are in the same column.

Answer

Add the numbers from right to left, starting with the hundreds place.

Answer

Subtract the smaller number from the larger number, starting with the ones place.

Question 29

What is the first step when subtracting 376 from 852 using the column subtraction method?

Accepted Answer

Set up the numbers vertically, lining up the digits in each place value.

Answer

Subtract the smaller number from the larger number, starting with the ones place.

Answer

Add the numbers together, starting with the hundreds place.

Question 30

What action should be taken if the top digit in a column subtraction problem is smaller than the bottom digit?

Accepted Answer

Subtract 10 from the top digit and add 10 to the bottom digit.

Answer

Ignore the difference and move on to the next digit.

Answer

Estimate the difference and adjust the answer accordingly.

Question 31

Which of the following is a benefit of using formal written methods for addition and subtraction?

Accepted Answer

Increased accuracy, especially for larger numbers.

Answer

Faster calculations than mental methods.

Answer

Improved problem-solving skills.

Answer

Reduced need for estimation.

Question 32

To find the sum of 456 and 278 using column addition, what should be done first?

Accepted Answer

Line up the numbers vertically, with the ones place below the ones place, the tens place below the tens place, and so on.

Answer

Divide the larger number by the smaller number.

Answer

Subtract the smaller number from the larger number.

Answer

Multiply the numbers together.

Question 33

Find the difference between 987 and 456 using formal written subtraction. Which step should be taken first?

Accepted Answer

Write the numbers vertically, lining up the digits in each place value.

Answer

Estimate the answer.

Answer

Regroup by borrowing from the tens place.

Answer

Subtract the hundreds digits.

Question 34

To set up the column addition of 234 and 567 correctly, what must be done?

Accepted Answer

Write the numbers one below the other, with the ones place below the ones place, the tens place below the tens place, and so on.

Answer

Place the numbers side by side.

Answer

Reverse the order of the numbers.

Answer

Multiply the two numbers together.

Question 35

What is the purpose of regrouping in formal written subtraction?

Accepted Answer

To make subtraction possible when the digit in the minuend (the number being subtracted from) is smaller than the digit in the subtrahend (the number being subtracted).

Answer

To simplify the subtraction process.

Answer

To make the numbers look more balanced.

Answer

To add extra digits to the numbers being subtracted.

Question 36

In the subtraction problem 754
-289, which number should be regrouped?

Accepted Answer

The 7 in the hundreds place.

Answer

The 2 in the subtrahend.

Answer

The 5 in the tens place.

Answer

The 4 in the ones place.

Question 37

Subtract 567 from 987 using formal written subtraction with regrouping. What is the first step?

Accepted Answer

Set up the subtraction problem by writing the numbers vertically, aligning the digits in each place value.

Answer

Estimate the answer.

Answer

Regroup by borrowing from the tens place.

Answer

Subtract the ones place digits.

Question 38

Solve the following addition problem using column addition: 123 + 456 + 234

Accepted Answer

813

Answer

713

Answer

613

Answer

913

Question 39

Which of the following options correctly represents the setup for column addition of 345 and 278?

Accepted Answer

3  4  5
+ 2  7  8

Answer

345
+278

Answer

278
+345

Question 40

What is the difference between 75 and 32? Use the formal written method to help you.

Accepted Answer

43

Answer

53

Answer

63

Answer

33

Question 41

Which steps are correct for column subtraction?

Accepted Answer

Line up the numbers one above the other, subtract each column, and regroup when needed.

Answer

Subtract the smaller number from the larger number, ignoring the place value.

Answer

Line up the numbers side by side, add each column, and regroup when needed.

Question 42

In column subtraction, what do we do when the top number in a column is smaller than the bottom number?

Accepted Answer

We borrow from the next column to make the top number bigger.

Answer

Subtract the bottom number from the top number.

Answer

Ignore the difference and move on.

Answer

Add the two numbers together.

Question 43

Round 357 and 248 to the nearest hundred and add them together. What's your estimate?

Accepted Answer

600

Answer

700

Answer

400

Question 44

Calculate the difference between 678 and 245 using the column method:

Accepted Answer

433

Answer

333

Answer

533

Answer

423

Question 45

Which of the following is NOT a step in the column subtraction method?

Accepted Answer

Subtract the digits in the tens place first

Answer

Subtract the digits in the ones place

Answer

Regroup if necessary

Answer

Check your answer

Question 46

Which of the following is the correct way to set up this addition problem using the column addition method?

345 + 278

Accepted Answer

3   4   5
+ 2   7   8

Answer

2   7   8
+ 3   4   5

Answer

3   4   5
+ 8   7   2

Answer

5   4   3
+ 8   7   2

Question 47

Calculate the sum using the column addition method:

567 + 348

Accepted Answer

915

Answer

905

Answer

715

Answer

805

Question 48

Which of the following is the correct way to set up this subtraction problem using the column subtraction method?

543 - 287

Accepted Answer

5   4   3
- 2   8   7

Answer

3   4   5
- 7   8   2

Answer

2   8   7
- 5   4   3

Answer

5   4   3
- 7   8   2

Question 49

Calculate the difference using the column subtraction method:

754 - 468

Accepted Answer

286

Answer

276

Answer

186

Answer

386

Question 50

Which of the following is the first step in the column addition method?

Accepted Answer

Align the digits vertically by place value.

Answer

Carry over any tens or hundreds to the next column.

Answer

Estimate the answer before performing the calculation.

Answer

Add the digits in each column starting from the right.

Question 51

What is the purpose of carrying over in column addition?

Accepted Answer

To represent the tens or hundreds that need to be added to the next column.

Answer

To make the addition easier to perform.

Answer

To avoid making mistakes in the calculation.

Question 52

What is the importance of checking your answer when performing column addition or subtraction?

Accepted Answer

To ensure accuracy and identify any errors.

Answer

To avoid having to redo the calculation.

Answer

To save time.

Answer

To impress the teacher.

Question 53

Which of the following is NOT a benefit of using formal written methods for addition and subtraction?

Accepted Answer

They are faster than mental calculations.

Answer

They are more accurate than mental calculations.

Answer

They help to develop students' mathematical fluency.

Answer

They can be used to solve more complex problems.