6.M.NS.C.05
One cold December evening, the temperature was already 34° Fahrenheit; overnight the temperature dropped another devastating 47 degrees. What was the temperature the next morning?
-13° Fahrenheit
Which sentence is true?
4.3 < 4.8
6.5 > 6.8
8.2 > 8.25
2.07 < 2.03
4.3 < 4.8
Select the correct algebraic expression to represent “the sum of 19 and the product of 7 and a number.” Also, identify the coefficient in the expression.
19 + 7n; coefficient is 7
1. Select an expression that is equivalent to 5n.
2n + 3n + n
n + 5
3n + n + n
n + n + n + n + n + n
3n + n + n
1. Which operation is used to find the solution to the following equation: x - 5 = 9
Add 5 to each side.
Submariners prefer to keep their periscopes no more than 10 feet above the surface of the water. If the average length of a periscope is 60 feet, how much of the periscope remains below sea level?
50 feet
Which of the following absolute value equations is true?
| -7 | = -7
| 12 | = -12
| -5 | = 5
- | 10 | = 10
| -5 | = 5
2. What is the value of 2x + 3y when x = 5 and y = 7?
31
2. Select an expression that is equivalent to 8m.
m • m • m • m + 4
3m + 5m
m • m • m • m • m • m • m • m
m(8 + 1)
3m + 5m
2. Which operation is used to find the solution to the following equation: x/7 = 21
Multiply each side by 7.
Davis just checked the balance of his checking account, and has discovered that he has a balance of -$72.00 and was charged an additional fee of $35.00 for this negative balance; luckily, his paycheck for $1,080.00 will be deposited on Friday. As long as he doesn’t have any other expenses, what will his new balance be on Friday?
$973.00
Choose the set of rational numbers that are in order from least to greatest.
5.2, 5 2/3, -3 1/3, -3.2
-3.2, -3 1/2, 5.2, 5 2/3
-3 1/3, -3.2, 5.2, 5 2/3
5 2/3, 5.2, -3.2, -3 1/2
-3.2, -3 1/2, 5.2, 5 2/3
3. Evaluate the algebraic expression for the given value of the variable: 8 + 3w - w^2, w = 3
8
3. Which expression is equivalent to 9y + 15?
3(3y +15)
3(2y +5) +4y
3(3y + 5)
9(y + 15)
3(3y + 5)
3. For which equation is x = 4 NOT a solution?
2x = 8
x + 5 = 9
x - 6 = 10
x/2 = 2
x - 6 = 10
The temperature at lunchtime was 48° but by dinnertime it had dropped to -5°. What was the change in temperature between lunchtime and dinnertime?
53°
4. Which symbol makes this inequality true? -10 __?__ -3
<
Morgan bought 2 magazines and 4 erasers. The magazines cost $5 each, and the erasers cost $2 each. Use the following expression to find the total cost: 5m + 2e
$18
4. Which expression is equivalent to 8(2x + 2y)?
x + 16y
16x + 16y
8 + 2xy
10xy
16x + 16y
4. It takes Edwin 5 minutes to jog a lap around the school track. How many laps can Edwin complete in 15 minutes? Write a one-step, algebraic equation and solve.
x=3
You are doing some repair work on a house and are standing at the base of a ladder, in a 2-foot-deep hole. Once you finish your work in the hole, you climb 13 feet up the ladder to fix a problem on the side of the house. Create a model indicating how high up the side of the house you are.
11 ft
The average temperature on Neptune is -223º C, whereas the average temperature on Pluto is -234º C. Which of the following statements is true?
-223º C is colder than -234º C
-234º C is 10 degrees colder than -223º C
-234º C is warmer than -223º C
-223º C is warmer than -234º C
-223º C is warmer than -234º C
How many terms are in the following expression? 10a + 7b – 3 + 6ab
4
5. Use the distributive property to select an equivalent expression for 6x + 24.
6 (x + 4)
3 (2x + 6)
2 (4x + 12)
1 (x + 24)
6 (x + 4)
5. Larry has $9. He buys a comic book for $5. How much money does Larry have left? Write a one-step, algebraic equation and solve.
x=4