Curriculum / Math / 2nd Grade / Unit 4: Place Value with Numbers to 1,000 & Money / Lesson 9
Math
Unit 4
2nd Grade
Lesson 9 of 22
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Lesson Notes
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Use place value understanding to count to 1,000 and reason about three-digit numbers.
I can count to 1,000.
The core standards covered in this lesson
2.NBT.A.2 — Count within 1000; skip-count by 5s, 10s, and 100s.
The foundational standards covered in this lesson
1.NBT.A.1 — Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral.
The essential concepts students need to demonstrate or understand to achieve the lesson objective
Suggestions for teachers to help them teach this lesson
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
Use the blank hundreds chart to complete the sequence from 1 to 1,000.
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Use your completed count to 1,000 chart to answer the following questions.
a. Find 110. If you skip count from 110 to 220 by 10s, what numbers would you say? Record them.
b. Find 100. If you skip count by 100s from 100 to 900, what numbers would you say? Record them.
c. Find 315. Name a number that is less than 390 but greater than 315?
d. Which number is greater: 490 or 510. How do you know?
e. Which number is less than: 629 or 699? How do you know?
15-20 minutes
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
Locate three-digit numbers on a number line.
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
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
2.NBT.A.2
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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