Number Sense
What is the value of |9|?
What is 9?
-10 + 6=
What is -4?
Rewriting to Addition & Solve
-8 - 7 =
-8 + (-7) = -15
In Buffalo, New York, the temperature was -14°F in the morning. If the temperature dropped 7°F, what is the temperature now?
What is -21°F?
define integers
Positive and Negative whole numbers
Which of the following numbers is an integer?
0.54, 1/3, -8/4, 3.4
-8/4 or -2
-1/2 + 8/9 =
7/18
Rewriting to Addition & Solve
7/8 - 6/7 =
7/8 +(- 6/7) = 1/56
Mt. Everest, the highest elevation in Asia, is 29,028 feet above sea level. The Dead Sea, the lowest elevation, is 1,312 feet below sea level. What is the difference between these two elevations?
What is 30,340 feet?
-9 x -30
270
Which of the following numbers is an irrational number?
sqrt16, sqrt 27, 1/3, or 6.4
sqrt27
-9.475 + -15.473 =
What is -24.948?
Rewriting to Addition & Solve
-18.752 - 4.1 =
-18.752 + (-4.1)= -22.852?
A submarine was situated 450 feet below sea level. If it descends 300 feet, what is its new position?
What is -750ft or 750 feet below sea level?
- 3/8 x 12/15
- 3/10
order the following numbers from least to greatest
2.5, 1/3, 7/8, - 4.8, sqrt9
-4.8, 1/3, 7/8 ,2.5, sqrt9
3 1/4 + (-5 2/3) + 2/3 =
-7/4 or -1 3/4
Rewriting to Addition & Solve
-4 2/3 - (-6 3/4)-2 =
-4 2/3 +6 3/4+(-2) =1/12
Aaron deposits $332.50 in his account and later on withdraws 122.80. How much money he has left in his account?
What is $209.70?
7/8 divided by 3/5
1 11/24
-3/8 x -2/5 divided by -9/10
1/6