### U3 Green Name: Standard Form Expanded Form

`U3 Green Name: _____________________________ Directions: Complete the chart by filling in the empty boxes. (2) Standard Form 63.21 Expanded Form Words 5 + 0.01 + 0.007 Directions: Compare and/or order the following. 3. Ms. Nave’s Halloween costume cost \$35.70, Ms. DePass’s costume cost \$37.50, and Mr. Stutz’s costume cost \$35.07. Put the prices in order from most expensive to least expensive. (1) 4. Compare the following: 109.34 __________ 190.34 56.7 __________ 56.007 (3) 87.28 __________ 8.728 Directions: Estimate the following. Show your work and explain your strategy. (2) 5. \$45.70 + \$51.32 + \$56.09 = ______________ Strategy: _____________________ 6. Ms. DePass makes \$8.50 per h our. She made a total of \$310.50 last week. Estimate the number of hours she worked. Estimation: _________ Strategy: ________________ Directions: Estimate first, and then add or subtract the following. (2) 7. Jenny wants to buy the following items: an iPod touch for \$127.43, an iPod touch holder for \$24.81 and an iPod gift certificate for \$25. How much money d oes she need? 8. If a 10-­‐meter long rope has 0.037 meters cut from it, then what is the new length of the rope? `