Solving Word Problems Techniques

This video tutorial for second grade module 4 lesson 5 focuses on using tape diagrams to solve word problems. The lesson is structured into three steps: modeling the problem, solving it using various methods like number bonds and mental math, and verifying the reasonableness of the answer through estimation. The video includes examples of addition and subtraction problems, demonstrating different ways to represent and solve them using tape diagrams. It also covers a two-part problem involving ribbon lengths, emphasizing the flexibility in problem representation and solution strategies.

What is the primary purpose of using tape diagrams in solving word problems?

• To confuse the students

• To replace traditional methods completely

• To make the problem look more colorful

• To help students understand the problem better

What is the first step in the three-step process for solving word problems?

• Check the reasonableness of the answer

• Estimate the answer

• Model the problem

• Solve the problem

In the markers problem, how many markers were initially in the bin?

• 43

• 38

• 81

• 29

What method was suggested to solve the markers problem?

• Number bond method

• All of the above

• Arrow method

• Mental math

How many markers are in the bin after Chase adds the markers from the floor?

• 38

• 43

• 81

• 29

What is a key feature of tape diagrams according to the lesson?

• They are only for addition problems

• They can be drawn in multiple ways

• They must be drawn in a specific way

• They are only for subtraction problems

In the stickers problem, how many little stickers are on the sheet?

• 81

• 33

• 62

• 29

What technique is used to simplify the subtraction problem in the stickers example?

• Arrow method

• Mental math

• Adding one technique

• Number bond method

How do we know that 62 - 29 is the same as 63 - 30?

• By using the number bond method

• By drawing a tape diagram

• By using a calculator

• By guessing

What is the length of the blue ribbon in the ribbons problem?

• 67 cm

• 96 cm

• 38 cm

• 58 cm