Lesson 3

Pennies and Dimes

Est. Class Sessions: 1–2
X

Mathematical Standards

1.NBT.A
Extend the counting sequence. (1.NBT.A.1)
1.NBT.B
Understand place value. (1.NBT.B.2)
1.OA.A
Represent and solve problems involving addition and subtraction. (1.OA.A.1, 1.OA.A.2)
1.OA.C
Add and subtract within 20. (1.OA.C.5)

Standards for Mathematical Practice

MP1.
Make sense of problems and persevere in
solving them.
MP2.
Reason quantitatively.
MP3.
Construct viable arguments and critique the reasoning of others.
MP4.
Model with mathematics.
MP6.
Attend to precision.

Students divide groups of 10 pennies and 10 dimes into two piles. They write addition and subtraction sentences to represent the number combinations of their coin piles. They complete the lesson by finding the values of collections of pennies and dimes.

Content in this Lesson

  • Partitioning 100 into groups of ten [E1].
  • Representing partitions of numbers using coins and number sentences [E2].
  • Representing addition and subtraction using number sentences [E3].
  • Reading and writing numbers to 100 [E4].
  • Skip counting to find the value of a collection of pennies and dimes [E6].
  • Solving addition and subtraction problems involving multiples of ten using coins, ten frames, and the 100 Chart [E7].
  • Connecting representations of quantities (ten frames, coins, 100 Charts, symbols, number sentences).
  • Exploring the relationship between addition and subtraction facts and adding and subtracting multiples of ten.
  • Using labels to show what number mean [MPE6].

Daily Practice and Problems E–F

E. What Is 12

F. Double +1

X

Materials for Students

Daily Practice and Problems Lesson Homework Assessment

Student Book

 Student Activity Book

Teacher Resources

 Teacher Guide - digital

Supplies for Student Pairs

ten pennies
ten dimes

Materials for the Teacher

Display of Ten Frames (Student Activity Book) Reference
Display of 100 Chart (Student Activity Book) Reference
Display of Math Practices (Student Activity Book) Reference
Unit 11 Assessment Record
Math Facts Class Record
Display set of a collection of coins

Materials Preparation

Collect Coins. Each pair of students will need 10 pennies and 10 dimes. Start a collection or encourage students to bring in pennies and dimes for a class collection. Plastic coins are also acceptable. Store the dimes in sets of 10 so students can use them in Lesson 4.

Assessment in this Lesson

Assessment Expectation Assessed Math Practices Expectation Assessed
Lola's Dimes
with Feedback Box
Student Activity Book
Pages 323–325
E1.
Partition 100 into groups of ten.
E2.
Represent partitions of numbers using links, coins, 100 Chart, and number sentences.
E3.
Represent addition and subtraction using number sentences.
E4.
Read and write numbers to 100.
E7.
Solve addition and subtraction problems involving multiples of ten using links, coins, ten frames, and the 100 Chart.
MPE6.
Use labels. I use labels to show what numbers mean.
DPP Item F
Doubles +1
Teacher Guide - digital
E12.
Demonstrate fluency with the addition sfacts with sums to ten in Group D.

Vocabulary in this Lesson