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.
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.
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.
This pack supports the following Common Core State Standards for Mathematics:
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Placing and comparing numbers to 1,000. Students mark number lines, compare base-ten pictures with >, < and =, find the place that decides in a place value table, compare numbers in other forms and order four numbers.
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