Curriculum / Math / 2nd Grade / Unit 4: Place Value with Numbers to 1,000 & Money / Lesson 3
Math
Unit 4
2nd Grade
Lesson 3 of 22
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Lesson Notes
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Represent and compose three digit numbers using hundreds, tens, and ones.
I can model three-digit numbers by drawing base ten block diagrams.
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:
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 the previous lesson, students practiced naming the numbers they were shown and in this lesson students will practice creating a diagram or model for a given number. This can support students as they continue to build upon their place value knowledge.
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
How would you draw the following numbers?
a. 156
b. 615
c. 516
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Cara represented 500 with 50 tens. What is another way to draw 500?
Use a hundreds place value chart to show how many hundreds, tens, and ones are represented in the following numbers.
a. 406
b. 460
15-20 minutes
A task that represents the peak thinking of the lesson - mastery will indicate whether or not objective was achieved
Draw the following numbers using base ten blocks.
a. 500
b. 705
c. 620
d. 344
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.
Next
Model and compose three-digit numbers in situations where there are more than 9 tens and ones.
Topic A: Understanding and Representing Three Digit Numbers
Compose and represent a hundred.
Standards
2.NBT.A.12.NBT.A.1.A
Model and compose three-digit numbers with hundreds, tens, and ones using base ten blocks.
2.NBT.A.12.NBT.A.1.A2.NBT.A.1.B
2.NBT.A.1
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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