
Adding Two-Digit Numbers

Interactive Video
•
Mathematics
•
2nd - 3rd Grade
•
Hard

Sophia Harris
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to place the number 9 in the ones column instead of the tens column when adding 45 + 9?
To ensure the number 9 is not mistakenly valued as 90
To simplify subtraction
To make the addition process faster
To avoid using a calculator
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in adding 45 and 9?
Subtract 9 from 45
Multiply the numbers
Add the ones column first
Add the tens column first
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After adding 5 and 9 in the ones column, what should you do next?
Multiply the result by 2
Subtract 1 from the tens column
Carry over 1 to the tens column
Write 14 in the ones column
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final answer when you add 45 and 9?
64
49
54
59
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you visually verify the result of 45 + 9?
By counting and converting ones into a ten
By subtracting 9 from 54
By drawing a number line
By using a calculator
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