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Number System
Hamza Nizam - Math Core 1 (**Number System Test 9/12)
| Question | Answer |
|---|---|
| Write each rational number as a decimal. Then tell whether each decimal is a terminating or repeating decimal. : 3/5 | 0.6 |
| Write each rational number as a decimal. Then tell whether each decimal is a terminating or repeating decimal. : 27/99 | 0.2727... |
| Write each rational number as a decimal. Then tell whether each decimal is a terminating or repeating decimal. : 19/1000 | 0.019 |
| Write each mixed number as a decimal. : 3 7/8 | 3.875 |
| Write each mixed number as a decimal. : 10 11/40 | 10.275 |
| Convert each decimal to a fraction in simplest form. : 0.181818... ** Not on test, just practice. | 2/11 |
| Approximate each irrational number to the nearest whole number and tenth. : square root of 15 | 3.9 |
| Approximate each irrational number to the nearest whole number and tenth. : square root of 111 | 10.5 |
| Find the absolute value of each. : |-10| | 10 |
| Find the absolute value of each. : |199| | 199 |
| Draw a model using a number line for each expression. : (-4) + 9 | 4 spaces to the left, nine spaces to the right, resulting in 5 |
| Draw a model using a number line for each expression. : (-8) - 2 | 8 spaces to the left, 2 spaces to the left, resulting in -10 |
| Find each sum, difference, product, or quotient. : (-31) + 16 | -15 |
| Find each sum, difference, product, or quotient. : 3 + (-8) | -5 |
| Find each sum, difference, product, or quotient. : (-39) + (-72) | -111 |
| Find each sum, difference, product, or quotient. : 127 - (-14) | 141 |
| Find each sum, difference, product, or quotient. : (-4)(-15) | 60 |
| Find each sum, difference, product, or quotient. : 8 * (-27) | -216 |
| Find each sum, difference, product, or quotient. : (-11) * 11 | -121 |
| Find each sum, difference, product, or quotient. : (-78) / 3 | -26 |
| Find each sum, difference, product, or quotient. : (-324) / (-18) | 18 |
| Find each sum, difference, product, or quotient. : (-15.3) - (-12.1) | -3.2 |
| Find each sum, difference, product, or quotient. : 24 1/2 + (-54 1/3) | -29 5/6 |
| Find each sum, difference, product, or quotient. : (-3 1/4) - 4 1/5 | -7 9/20 |
| Find each sum, difference, product, or quotient. : 1 7/8 * (-2 2/5) | -4 1/2 |
| Find each sum, difference, product, or quotient. : (-1.2) * 21.4 | -25.68 |
| Find each sum, difference, product, or quotient. : (-5 1/3) / (-1 1/2) | 3 5/9 |
| Evaluate. : (-22) + |4 * (-7) / 2| - 15 | -23 |
| Evaluate. : (1/3)^2 * (-3/4) + (-5/6) | -11/12 |
| Evaluate. : (-6 2/3 + 1/2) / 1/12 (complex fraction) | -74 |
| Solve each word problem. Show your work. : A climber starts descending from 533 feet above sea level and keeps going until she is 10 feet below sea level. How many feet did she descend? | 543 feet |
| Solve each word problem. Show your work. : The temperature on Sunday was -15*C. The temperature on Monday was 12 degrees less than the temperature on Sunday. What was the temperature on Monday? | -27*C |
| Solve each word problem. Show your work. : Each of a football team's 3 plays resulted in a loss of 5 yards. How many yards in total did they lose in the 3 plays? | -15 yards |
| Solve each word problem. Show your work. : Sean's checking account balance was $475. He withdrew $170 two times and deposited $59. What is his current balance? | $194 |
| Solve each word problem. Show your work. : Sophie has a piece of fabric 11 1/4 feet long. She wants to cut it into 5 equal pieces. How long should each piece be? | 2 1/4 |
| Solve each word problem. Show your work. : The golf scores of five players are as follows: -7, -14, 3, -6, -11. What is the average score? | -7 |
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