What is the main topic of this video?

• Dividing two-digit numbers

• Subtracting two-digit numbers

• Multiplying two-digit numbers

• Adding two-digit numbers

Which tool was considered too time-consuming for adding 37 and 62?

• 100 chart

• Counters

• Calculator

• Base 10 blocks

In the example of adding 37 and 62, what is the sum?

• 89

• 99

• 79

• 109

When using base 10 blocks, which place value should you start adding first?

• Tens

• Ones

• Hundreds

• Thousands

What is the sum of 35 and 43 using base 10 blocks?

• 68

• 98

• 88

• 78

How can you verify the sum of 35 and 43?

• By using a 100 chart

• By estimating

• By counting the grouped tens and ones

• By using a calculator

What should you do first when adding two-digit numbers?

• Add the tens

• Add the hundreds

• Add the ones

• Add the thousands

What is the purpose of using base 10 blocks in this lesson?

• To visualize and add numbers

• To divide numbers

• To subtract numbers

• To multiply numbers

What should you do if you need more time to solve the problem on your own?

• Guess the answer

• Skip the problem

• Ask a friend

• Click pause

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

• Multiply the numbers

• Check the sum

• Subtract the numbers

• Divide the numbers