Exploring Addition of Whole Numbers

Why is it recommended to rewrite horizontal addition problems vertically?

• To confuse the solver

• To make the problem look longer

• To avoid careless mistakes

• To use more paper

What should you keep in a straight line when rewriting an addition problem?

• The symbols

• The letters

• The spaces

• The digits

When aligning numbers for addition, which column do you start with?

• Thousands

• Ones

• Hundreds

• Tens

What is the sum of 4 and 9 in the ones column?

• 15

• 14

• 13

• 12

What should you do after getting a sum of 13 in the ones column?

• Write down 13

• Carry the 1 and write down 3

• Write down 1 and carry the 3

• Write down 3 and ignore the 1

What is the result of adding 1, 2, and 2 in the tens column?

• 6

• 4

• 7

• 5

What is the sum of 7 and 5 in the hundreds column?

• 10

• 11

• 12

• 13

What is the final sum of the addition problem discussed in the tutorial?

• 6252

• 6253

• 6532

• 6352

What is the term used for the result of an addition problem?

• Sum

• Quotient

• Difference

• Product