2
Do the Math!
comparing and ordering 3-digit numbers
Compare. Write < (less than) or > (greater than).
681
816
371
317
402
420
705
689
908
899
882
891
Order from least to greatest .
1. 530, 405, 545, 354 _________________________________________
2. 819, 914, 814, 948 _________________________________________
3. 783, 875, 728, 857 _________________________________________
Order from greatest to least .
4. 462, 467, 470, 460 _________________________________________
5. 380, 308, 808, 838 _________________________________________
6. 265, 652, 526, 500 _________________________________________
Teacher: Use these questions to talk about the text. Call attention to the ordinal numbers. 1. What is the first thing to do? Why is it important to first get the things you need? 2. What do you need to do for the second step? 3. Why does the third step have to follow the second step? 4. What is the fourth step in the process? What does the girl see as the crayon resists the paint? Teacher: Remind children that < is the “less than” sign and > is the “greater than” sign. Have children trace the signs on the page with their fingers. Point out that all the numbers on this page are 3-digit numbers. Help children use the signs to compare the 3-digit numbers. Then follow the next directions and have children order the numbers from least to greatest and then from greatest to least. Purpose: To compare 3-digit numbers; to order 3-digit numbers from least to greatest and greatest to least
Session 1 9 Session 2 9
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