Curriculum / Math / 2nd Grade / Unit 4: Place Value with Numbers to 1,000 & Money / Lesson 6
Math
Unit 4
2nd Grade
Lesson 6 of 22
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Lesson Notes
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Read, write, and represent three-digit numbers in standard form, word form, and unit forms.
I can use word form to write, read, and represent three-digit numbers.
The core standards covered in this lesson
2.NBT.A.3 — Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.
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
It may be helpful to have a visual with spellings of two-digit numbers available for students. Students in 2nd grade may still be working on spelling and a visual may help focus the effort on the concepts rather than the mechanics.
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
For the school fundraiser Abdullah’s grandmother wrote a check for her wrapping paper order but forgot to fill out the line for the dollar amount.
What is the word form of 124 that should go on the line?
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Match the numbers written in standard form and word form. Write the letter of the matching word form on the line.
1. 356 ____
2. 490 ____
3. 616 ____
4. 881 ____
5. 908 ____
6.809 ____
A. four hundred ninety
B. Eight hundred eighty-one
C. Three hundred fifty-six
D. Six hundred sixteen
E. eight hundred nine
F. nine hundred eight
Write the following numbers in word form.
a. 508
b. 779
c. 8 hundreds 3 tens 5 ones
d. 1 hundred 27 ones
e. 3 hundred 16 tens
15-20 minutes
A task that represents the peak thinking of the lesson - mastery will indicate whether or not objective was achieved
Write the value of this number in word form.
Write the number five hundred sixty-eight in standard form.
Complete the table below.
6 hundreds 47 ones
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
Read, write, and represent three-digit numbers using understanding of place value and expanded form.
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 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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