Curriculum / Math / 2nd Grade / Unit 4: Place Value with Numbers to 1,000 & Money / Lesson 1
Math
Unit 4
2nd Grade
Lesson 1 of 22
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Lesson Notes
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Compose and represent a hundred.
I can recognize and make a hundred.
The core standards covered in this lesson
2.NBT.A.1 — Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:
2.NBT.A.1.A — 100 can be thought of as a bundle of ten tens — called a "hundred."
The foundational standards covered in this lesson
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:
The essential concepts students need to demonstrate or understand to achieve the lesson objective
Suggestions for teachers to help them teach this lesson
In first grade, students’ place value knowledge was centered around the composition of two-digit numbers, so this is the start of understanding and working with a new unit, hundreds.
5-10 minutes
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Tasks designed to teach criteria for success of the lesson, and guidance to help draw out student understanding
15-25 minutes
Each child pictured below needs a finger puppet for each finger on both of their hands.
How many finger puppets are needed in all? How did you count it?
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The unit hundred can be thought of as 100 ones like here:
Yuki says we can think of a hundred as units of ten. How many tens make up a hundred? How do you know?
Lloyd made the following number with base ten blocks:
a. How many tens and ones are in this number?
b. What is the value of Lloyd’s blocks?
c. If Lloyd exchanges his ones for tens blocks, how many tens blocks would he have?
A set of suggested resources or problem types that teachers can turn into a problem set
15-20 minutes
A task that represents the peak thinking of the lesson - mastery will indicate whether or not objective was achieved
What number is represented by the base ten block?
Draw the number from Problem 1 using tens.
Daily Word Problems, Warm Ups, and Center Activities are aligned to the content of the unit but not necessarily to the lesson objective, therefore feel free to use them anytime during your school day.
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Model and compose three-digit numbers with hundreds, tens, and ones using base ten blocks.
Topic A: Understanding and Representing Three Digit Numbers
Standards
2.NBT.A.12.NBT.A.1.A
2.NBT.A.12.NBT.A.1.A2.NBT.A.1.B
Represent and compose three digit numbers using hundreds, tens, and ones.
2.NBT.A.1
Model and compose three-digit numbers in situations where there are more than 9 tens and ones.
Use unit form to represent three-digit numbers using understanding of place value and base ten.
2.NBT.A.3
Read, write, and represent three-digit numbers in standard form, word form, and unit forms.
Read, write, and represent three-digit numbers using understanding of place value and expanded form.
Read, write, and represent three-digit numbers in all forms.
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Topic B: Reasoning with Numbers to 1000
Use place value understanding to count to 1,000 and reason about three-digit numbers.
2.NBT.A.2
Locate three-digit numbers on a number line.
Skip-count by 5s, 10s, and 100s to find numbers on a number line.
Compare 2 three-digit numbers using a number line.
2.NBT.A.4
Compare 2 three-digit numbers using place value.
Order three-digit numbers using place value knowledge and number lines to explain thinking.
2.NBT.A.22.NBT.A.4
Topic C: Place Value in Action - Money and Word Problems
Understand the value of dimes, nickels, and pennies.
2.MD.C.8
Use counting to find the value of groups of dimes, nickels, and pennies.
2.MD.C.82.NBT.A.2
Understand the value of quarters and find the value of coin collections.
Understand the value of 100 cents and 1 dollar.
Make change from a dollar and make a dollar with coins.
2.MD.C.82.OA.A.1
Solve word problems with money situations.
Solve two-step word problems with money situations.
Solve two-step word problems with add to change unknown and take from change unknown.
2.OA.A.1
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