Adding Two-Digit Numbers Quiz

What is the main focus of this video tutorial?

• Subtracting two-digit numbers

• Multiplying two-digit numbers

• Adding two-digit numbers

• Dividing two-digit numbers

Which tool was found to be the most efficient for adding two-digit numbers?

• Base 10 blocks

• Bears and cubes

• Counters

• 100 chart

When using base 10 blocks, what is the first step in adding two-digit numbers?

• Subtracting the ones

• Counting the total

• Building each addend

• Adding the tens

In the example of adding 37 and 62, how many ones are there in total?

• 7

• 10

• 8

• 9

What is the sum of 37 and 62?

• 89

• 97

• 99

• 100

How many tens are there when adding 35 and 43?

• 8

• 7

• 6

• 5

What is the sum of 35 and 43?

• 98

• 68

• 78

• 88

How can you verify the sum of two numbers using base 10 blocks?

• By recounting both tens and ones

• By recounting the tens only

• By using a calculator

• By recounting the ones only

What should you always add together first when adding two-digit numbers?

• The tens

• The ones

• The hundreds

• The entire number

What is the final step after adding the ones and tens in two-digit addition?

• Subtracting the result

• Multiplying the result

• Dividing the result

• Writing the sum