Solving Problems with Multi-Digit Numbers

Multiple Choice

Which of the following is a key skill you will learn in this lesson?

• Multiplying fractions

• Adding and subtracting multi-digit numbers

• Solving geometry problems

• Reading comprehension

Open Ended

Why is it important to be able to add and subtract multi-digit numbers in real life?

Open Ended

Explain how you would use regrouping to solve a subtraction problem where the top digit is smaller than the bottom digit.

Multiple Choice

Which of the following is a step in both addition and subtraction with regrouping?

• Add from right to left

• Borrow when needed

• Line up digits by place value

• Regroup when a sum is 10 or more

Multiple Choice

What was the total amount of money left over after the fundraiser expenses were paid?

• $1,425

• $5,618

• $35,942

• $41,560

Multiple Select

Which strategies can help you find the greatest sum and the least difference when forming numbers from digit cards?

• Put largest digits in highest places

• Put smallest digits in highest places

• Make first number large, second number small

• Make the numbers close in value

Open Ended

How can finding the greatest and least possible sums and differences help you solve real-world problems involving multi-digit numbers?

Multiple Choice

Reflecting on today's lesson, which skill do you feel most confident about: adding multi-digit numbers, subtracting multi-digit numbers, or solving real-world problems using these operations?

• Adding multi-digit numbers

• Subtracting multi-digit numbers

• Solving real-world problems

• Finding greatest/least sums and differences