Shopping with Dimes and Pennies: Adding Two-Digit Numbers

Math Grades 1st Grade 6:13 Video
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Lesson Description

Learn how to add two-digit numbers using Canadian dimes and pennies! We'll play store and add up the prices of yummy fruits.

Video Resource

Grade 1: Math Lesson #74 CANADIAN Adding Two Digit Numbers Using Dimes and Pennies

The Eagle's Nest - Our Online Classroom

Duration: 6:13
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Key Concepts

  • Place Value (Tens and Ones)
  • Adding Two-Digit Numbers
  • Using Money (Dimes and Pennies) as a Visual Aid

Learning Objectives

  • Students will be able to add two-digit numbers using dimes and pennies.
  • Students will be able to identify the value of dimes and pennies.
  • Students will be able to apply addition skills in a real-world shopping scenario.

Educator Instructions

  • Introduction (5 mins)
    Begin by explaining that today we are going to play store! We will be buying fruits and using dimes and pennies to add up the costs. Remind students that a dime is worth 10 cents and a penny is worth 1 cent.
  • Watching the Video (10 mins)
    Play the video 'Grade 1: Math Lesson #74 CANADIAN Adding Two Digit Numbers Using Dimes and Pennies'. Encourage students to follow along and count the dimes and pennies with the teacher in the video.
  • Practice Problems (10 mins)
    Create practice problems on the board similar to the video examples. For example: 'An apple costs 12 cents and a banana costs 25 cents. How much do they cost together?' Have students use manipulatives (real or drawn dimes and pennies) to solve the problems.
  • Independent Practice (10 mins)
    Give students a worksheet with similar addition problems using prices under 50 cents. They should draw dimes and pennies to represent each number and then add them together to find the total.
  • Wrap-up (5 mins)
    Review the lesson. Ask students what they learned about adding two-digit numbers using dimes and pennies. You can also have the students do the fill in the blank and multiple choice quizzes.

Interactive Exercises

  • Class Store
    Set up a small 'store' with pictures of fruits and price tags. Have students take turns being the cashier and the customer, adding up the cost of the items purchased using dimes and pennies.

Discussion Questions

  • What is a dime worth?
  • What is a penny worth?
  • How can we use dimes and pennies to help us add bigger numbers?

Skills Developed

  • Addition
  • Place Value
  • Problem-Solving
  • Counting Money

Multiple Choice Questions

Question 1:

A dime is worth how many cents?

Correct Answer: 10 cents

Question 2:

A penny is worth how many cents?

Correct Answer: 1 cent

Question 3:

If you have 2 dimes, how many cents do you have?

Correct Answer: 20 cents

Question 4:

If you have 3 pennies, how many cents do you have?

Correct Answer: 3 cents

Question 5:

An apple costs 11 cents. Which coins could you use?

Correct Answer: One dime and one penny

Question 6:

A banana costs 20 cents. Which coins could you use?

Correct Answer: Two dimes

Question 7:

A pear costs 1 dime and 2 pennies. How many cents is that?

Correct Answer: 12 cents

Question 8:

Grapes cost 2 dimes and 5 pennies. How many cents is that?

Correct Answer: 7 cents

Question 9:

If you buy an apple for 10 cents and a banana for 20 cents, how much do you spend?

Correct Answer: 30 cents

Question 10:

If you have 1 dime and 3 pennies, how much money do you have?

Correct Answer: 13 cents

Fill in the Blank Questions

Question 1:

A ______ is worth 10 cents.

Correct Answer: dime

Question 2:

A ______ is worth 1 cent.

Correct Answer: penny

Question 3:

10 pennies is the same as 1 ______.

Correct Answer: dime

Question 4:

2 dimes are worth ______ cents.

Correct Answer: 20

Question 5:

3 dimes are worth ______ cents.

Correct Answer: 30

Question 6:

If something costs 25 cents, you could pay with 2 dimes and 5 ______.

Correct Answer: pennies

Question 7:

If you add 12 and 10, the answer is ______.

Correct Answer: 22

Question 8:

The number 34 has 3 ______ and 4 ones.

Correct Answer: tens

Question 9:

When we count dimes, we count by ______.

Correct Answer: tens

Question 10:

We can use ______ and pennies to help us add bigger numbers.

Correct Answer: dimes

Educational Standards

CCSS.Math.Content.1.NBT.C.4:Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten. CCSS.Math.Content.1.OA.A.1:Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem. CCSS.Math.Content.1.NBT.B.2:Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:

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