Lesson 2

Spill the Beans

Est. Class Sessions: 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.NBT.B.3)
1.NBT.C
Use place value understanding and properties of operations to add and subtract. (1.NBT.C.4, 1.NBT.C.5)

Standards for Mathematical Practice

MP1.
Make sense of problems and persevere in solving them.
MP2.
Reason quantitatively.
MP7.
Look for and make use of structure.

Students group and count a quantity of beans by tens and ones left over, reinforcing the idea that grouping objects before counting is more efficient and accurate than counting by ones. Groupings are referred to as "tens" and "ones" rather than "tens and leftovers."

Content in this Lesson

  • Representing and identifying numbers to 100 using counters, number lines, ten frames, 100 Chart, and symbols [E1].
  • Grouping and counting objects by tens and ones left over.
  • Representing the partitions of two-digit quantities as tens and leftover ones [E2].
  • Skip counting by tens on the 100 Chart.
  • Comparing quantities and representing that relationship using less than, greater than, between, and closer to [E3].
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

40–70 lima beans
blank piece of paper

Materials for the Teacher

Display of Spill the Beans Data Table Master (Teacher Guide)
Display of 100 Chart (Student Activity Book) Reference
Display of Comparison Symbol Chart from Unit 8 Lesson 5
Unit 10 Assessment Record
Math Facts Class Record
2-pound container of beans
small scoop or small bags. See Materials Preparation.
6 to 8 collections of 40 to 70 objects to count. See Materials Preparation.
class number line (0–130)

Materials Preparation

Prepare Beans Collection for Counting. Place 40 to 70 beans in a small bag for each student pair. Another method is to find a small scoop that holds the stated amount of beans prior to the lesson, which can be used to spill beans on a piece of paper for each pair of students.

Prepare Objects for Lesson Assessment. Prepare six to eight stations for the assessment activity in Summarizing the Lesson. Each station should have 40 to 70 objects to count such as paper clips, beans, cubes, links, and pennies.

Assessment in this Lesson

Assessment Expectation Assessed
A Good Way To Count
Student Activity Book
Page 287
E1. 
Represent and identify numbers to 100 using counters, number lines, ten frames, 100 Chart, drawings, and symbols.
E2. 
Represent the partitions of two-digit quantities as tens and leftover ones.
E3. 
Compare quantities and represent that relationship using less than, greater than, between (e.g., intervals), and closer to.
DPP Item D
Stories
Teacher Guide - digital
E9. 
Demonstrate fluency with the addition facts with sums to ten in Group C.

Vocabulary in this Lesson