Adding Two-Digit Numbers Quiz

What is the main focus of the lesson introduced by Colin?

• Multiplying two-digit numbers

• Dividing two-digit numbers

• Adding up to four two-digit numbers

• Subtracting two-digit numbers

What is one strategy mentioned for simplifying addition problems?

• Finding sets of five

• Finding sets of ten

• Using division

• Using multiplication

How can you identify a set of ten in an addition problem?

• By dividing numbers to get ten

• By subtracting numbers to get ten

• By finding numbers that multiply to ten

• By looking for two numbers that add up to ten

What is the first step in using the algorithm for addition?

• Start with the tens place

• Start with the ones place

• Start with the thousands place

• Start with the hundreds place

What should you do if the sum in the ones place is greater than nine when using the algorithm?

• Ignore the extra digit

• Multiply the extra digit

• Carry over to the tens place

• Subtract the extra digit