# Lesson: Unit Conversions: Inches, Feet & Yards

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### Lesson Objective

SWBAT convert units of measurement: inches, feet, and yards

### Lesson Plan

Materials Needed: DN worksheet, yard stick, chart based on the Conversion Chart Example, small snacks for Bingo prizes, IND practice Bingo cards (5 copies of each version), paper chips for covering the Bingo card, Teacher Bingo Sheet

Vocabulary:
Customary, inches, feet, yard, multiplication, division

……….

Do Now (5-7min): Each student is given their own copy of the DN worksheet and asked to complete the worksheet on their own.

Opening (3-5 min): Teacher quickly reviews the answers to the DN worksheet and states objective by saying, “Today, we are going to learn how to convert another unit of measurement. By the end of the lesson, you will be able to convert between inches, feet and yards.”

Direct Instruction (7-10min):
Teacher holds up a yardstick and says, “Does anyone want to take a guess as to how many feet are in a yard?” After several students guess, teacher refers to the conversion chart, as exemplified in the Conversion Chart Example.Teacher says, “ I want to ask a couple of questions about this chart, so look at it carefully! Who can tell me which unit of measure is the biggest? [Yards] Great, and which unit of measure is the smallest? [Inches] How many feet are in a yard? [3] Ok, and how many inches are in a foot? [12] So, the bonus question is, how many inches are in a yard?” [36] "Great, and how do you know that the answer is 36?" [I know because....]

Teacher says, “You all are doing a great job. Just remember, we are still using multiplication and division, the only change when converting in yards is the number that we multiply or divide by. When going from inches to yards, or yards to inches, we multiply or divide by 36. When going from feet to yards, or yards to feet, we multiply and divide by 3.”

Guided Practice (10-15 min): Teacher writes the following on the board:

1.    6 feet = _____________ yard [2]
2.    36 inches = _______________ feet [3]
3.    4 feet = ________________ inches [48]
4.    7 yards = _________________ feet [21]
5.    108 inches = ____________ feet [9]
6.    9 feet = ________________ yards [3]
7.    120 inches = ____________ feet [10]
8.    12 feet = _______________ yards [4]
9.    60 inches = ____________ feet [5]
10.  7 feet = _____________ inches [84]

The teacher says, “Ok, so just like before, we are going to practice a couple together, before you get to play Bingo for some snacks! Pay attention to the Conversion Chart as we go over these examples.” Teacher goes through each problem, demonstrating how to choose which formula to use and modeling how to write the formula for every problem. Students should be called on through the guided practice for answers.

Independent Practice (25 min):
The teacher gives each student their own copy of the Independent Practice (IND) Bingo Worksheet and several paper chips. Teacher gives each student approximately ten minutes to solve the conversions on the chart, circulating the room to see if anyone has any questions. When all students are finished, the teacher calls out the answers from the Teacher’s Bingo Sheet. When a student gets five squares covered in a row, they can call out Bingo to win the game.

Closing (2-3 min):
The teacher passes out small snacks to each student who won a game. Teacher asks if anyone has questions about converting between inches, feet, and yards. Teacher answers any questions and then collects the Bingo cards

### Lesson Resources

 Teacher's Bingo Sheet   Activity 1,717 IND Practice Bingo Worksheet version1 5   Activity 1,947 Conversion Chart Example 2,530 DN_ inches, feet & yards   Starter / Do Now 2,495

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