Excellent Math
Across
- 3. Natural numbers are also called ______ integers because they exclude negative numbers and zero.
- 5. How many sides are on a number cube?
- 7. In the equation y=20x+12, what is the slope?
- 9. Area of a rectangle equals length times ______.
- 10. To solve for x given 4x=52 , ____ by four on both sides.
- 11. To start solving 3x+5=8, first _______ 5 from both sides.
- 15. Are the following decimals rational or irrational: 0.4, 0.125, 0.333..?
- 16. The square root of 39 lies between which whole numbers? Exclude the word “and” from your response. (Hint: 25, 36, 49, 64 are perfect squares)
- 17. Slope can be written as a fraction “rise over run”. For y=4x, four is the “rise”. What number is the “run”?
Down
- 1. If you write 38% as a fraction, what will be the denominator? Exclude spaces. (hint: perCENT; CENTs in a dollar; years in a CENTury)
- 2. Boxplots break up a data set into pieces of four. What percent is 1/4? Exclude spaces.
- 4. Which extreme (upper or lower) is connected by a “whisker” to Q1 on a boxplot?
- 5. In the Pythagorean Theorem, sides a and b are first _______ and then added to equal c _______.
- 6. The area of this shape is equal to ½ bh.
- 7. If the point (3,7) is reflected across the y-axis, which number will change signs?
- 8. True or False: If a student flips a coin and then rolls a number cube, the events are independent.
- 12. To find the average of two numbers, add them and divide the sum by ___.
- 13. True or False: Data must be sorted from least to greatest before finding the median and quartiles.
- 14. Which number is in the tenths place of 90.541?