Five pages, one for each first lesson of three-digit place value. Page 1 shows 10 to 19 rods: students circle ten of them to make a hundred, then write the hundreds, tens, ones and the number (13 tens 2 ones is 132). Page 2 counts hundred flats (4 flats are 4 hundreds, 400, and 4 hundreds 0 tens 0 ones), then hundreds facts such as 700 = 7 hundreds and 10 tens = 100, and a count by hundreds to 900. Page 3 reads base-ten blocks into a place value table, then asks for two numbers as quick drawings: a square for a hundred, a stick for a ten, a circle for a one. Page 4 puts the same digit in the hundreds, the tens and the ones place (352, 527, 815): circle its place and write what it is worth. Page 5 is about zero: circle the number the blocks show (407, not 47 or 470), then write numbers with a place left out, such as 6 hundreds 3 ones. Each page starts with a worked example.
Before page 1, have students line up ten rods on a flat to see that they cover it. Before page 5, build 47 and 407 side by side and ask what the 0 in 407 tells you: there are no tens, but the 4 still has to be in the hundreds place.
Use dollars, dimes and pennies: 3 dollars, 0 dimes and 5 pennies is $3.05, the same as 305 cents. Ask how many dimes make a dollar (ten tens make a hundred).
This pack supports the following Common Core State Standards for Mathematics:
© Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.
Place value for three-digit numbers, from ten tens making a hundred to zero holding a place. Students count hundred flats, read base-ten blocks into a place value table, make quick drawings and find the value of each digit.
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