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Skills Covered

  • Read and mark number lines to 1,000
  • Compare base-ten pictures with >, < and =
  • Compare hundreds first, then tens, then ones
  • Find the place that decides
  • Compare expanded forms and number words
  • Order four three-digit numbers

How to Use This Pack

Five pages on where three-digit numbers sit and which is greater. Page 1 has five number lines (0 to 1,000 by hundreds, 300 to 400 by tens, 640 to 650 by ones): write the number at each arrow. Page 2 is the reverse: find each number on the line, draw a dot and label it. Page 3 shows two base-ten pictures: write both numbers and >, < or = between them; one pair uses different blocks for the same number (3 hundreds 12 tens 4 ones and 4 hundreds 2 tens 4 ones). Page 4 puts two numbers in a place value table: write the digits, circle the first place where they differ, then compare (398 < 401, though 8 ones beat 1 one). Page 5 compares numbers written in different ways, such as 400 + 6 and 460 or "six hundred ninety-nine" and "seven hundred", then orders four numbers from least to greatest. Each page starts with a worked example.

In the Classroom

Before page 4, put 583 and 538 in a table on the board and ask which place to look at first. Students who look at the ones first will say 538: let them build both numbers with blocks to see why the hundreds, then the tens, decide.

At Home

Compare prices of two things that cost a few hundred dollars, or the page counts of two books. Ask which is greater and which place told you.

Tips for Success

  • Compare the hundreds first; if they are the same, compare the tens, then the ones
  • The open side of > or < faces the greater number
  • On a number line, numbers get greater to the right
  • Write both numbers the same way before you compare them
  • Count the hundreds, tens and ones: different blocks can show the same number

Common Core Standards Alignment

This pack supports the following Common Core State Standards for Mathematics:

  • 2.NBT.A.1a See ten tens grouped together as one unit called a hundred.
  • 2.NBT.A.1b Know that 100, 200 and so on up to 900 mean 1 to 9 hundreds with no tens or ones.
  • 2.NBT.A.3 Read and write numbers up to 1,000 as digits, in words, and in expanded form (like 300 + 40 + 7).
  • 2.NBT.A.4 Compare three-digit numbers by looking at the value of each place, and record the result with >, = or <.
  • 2.MD.B.6 Show whole numbers as distances from 0 on an evenly marked number line, and show sums and differences up to 100 as jumps on it.

© Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.

Comparing 3-Digit Numbers

2nd Grade

A 5-page 2nd grade pack for placing and comparing numbers to 1,000. Read number lines from 0 to 1,000 by hundreds, across a hundred by tens and across ten numbers by ones, then mark numbers on them. Compare base-ten pictures with >, < and = (3 hundreds 12 tens is the same as 424), use a place value table to find the place that decides, and compare numbers written as expanded forms, hundreds, tens and ones, and words. The last problems put four numbers in order. Every page comes in color and in black and white. Answer keys included.

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What’s Included

  • 5 worksheets in color and in black and white, with answer keys (15 pages)
  • Number lines to 1,000: read the arrows and mark the numbers
  • Compare base-ten pictures and place value tables with >, < and =
  • Compare numbers in other forms, and put numbers in order
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