5-1-6-S ( Mathematics- Number System)

© 2007 -2010 tutorco.com 1 1. Compare the integers with >, < and = sign a. -7 7 b. 0 -5 c. -8 3 d. -67 5 e. 10 -17 2. Round to the place of the underlined digit a. 69,675 b. 84,126 c. 37,619 d. 95,344 TOPIC: NUMBER SYSTEM 5/1/6/S © 2007 -2010 tutorco.com 2 3. Estimate the cost of 72 packets of juices costing $5 each 4. Estimate the cost of 18 calculators that cost of $8 each 5. Write in standard form : 900,000,000,000 + 70,000,000,000 + 6,000,000 + 10,000 + 2,000 + 20 + 1 6. Write in expanded form : 306,030,100,056 © 2007 -2010 tutorco.com 3 7. Write the place value of the underline digit a. 95,638,104,692 b. 78,256,138 8. Write an integer a. 10ft above sea level b. Withdraw $120 c. Temperature 10 degree above zero 9. Skip count (backward) by 50’s 3850, 3800,_______________,_______________, _______________ 10. Skip count (forward) by 100’s 8825, 8925, ____________, _______________, ________________ © 2007 -2010 tutorco.com 4 11. Write the place and the value of the underlined digit. 1. 54,239 2. 5,104 3. 95,718 4. 755,710 12. Round to the place of the underlined digit. 1. 50 2. 8,380 3. 488 4. 1,613,586 13. A car uses 2 litres of fuel to travel 8 miles. Estimate the amount of fuel that is used on a 162 miles journey. 14. A can contains 330ml of a drink and there are 144 cans in a box. Estimate the total volume of drink in a box