Adding and Subtracting Large Numbers

What is the main topic of the lesson introduced in the video?

• Understanding fractions

• Dividing large numbers

• Multiplying large numbers

• Adding and subtracting large numbers

What is the first step in solving the addition problem using base ten blocks?

• Start with the hundreds blocks

• Combine all blocks together

• Start with the ones blocks

• Trade tens for hundreds

When adding ones blocks, what do you do when you reach ten?

• Remove them

• Trade them for a hundreds block

• Trade them for a tens block

• Keep them as they are

What is the sum of 126 and 57 as calculated in the video?

• 163

• 173

• 183

• 193

In the subtraction problem, what is the first step when you don't have enough ones blocks?

• Add more ones blocks

• Skip the subtraction

• Trade a tens block for ones

• Trade a hundreds block for tens

How many ones blocks are left after taking away seven in the subtraction problem?

• Three

• Nine

• Five

• Seven

What do you do when you need to subtract more tens than you have?

• Trade a hundreds block for tens

• Add more tens blocks

• Skip the subtraction

• Trade ones for tens

How many tens blocks are left after removing five in the subtraction problem?

• Four

• Six

• Two

• Eight

What is the final answer to the subtraction problem 126 minus 57?

• 89

• 69

• 59

• 79

Why do we have no more hundreds blocks at the end of the subtraction problem?

• They were doubled

• They were removed

• They were added to the ones

• They were traded for tens