1. Decide if each equation is true or false. Fill in each blank with the word True or False.
1. 7 • 8 = 56 _______
2. -7 • 8 = 56 _______
3. -7 • -8 = -56 _______
4. -7 • -8 = 56 _______
5. 3.5 • 12 = 42 _______
6. -3.5 • -12 = -42 _______
7. -3.5 • -12 = 42 _______
8. -12 • 7/2 = 42 _______
Question 1
1.
1. Fill in the missing numbers in these equations.
a)
Question 2
2.
1. Fill in the missing numbers in these equations.
b)
Question 3
3.
1. Fill in the missing numbers in these equations.
c)
Question 4
4.
1. Fill in the missing numbers in these equations.
d)
Question 5
5.
2. A weather station on top of a mountain reports that the temperature is currently 0 deg C and has been falling at a constant rate of 3 deg C per hour. Find each temperature. Explain or show your reasoning.
a) If it continues to fall at this rate, what will the temperature be:
i. in 2 hours? _______
ii. in 5 hours? _______
iii. in half an hour? _______
Question 6
6.
2. A weather station on top of a mountain reports that the temperature is currently 0 deg C and has been falling at a constant rate of 3 deg C per hour. Find each temperature. Explain or show your reasoning.
b) What was the temperature:
i. 1 hour ago? _______
ii. 3 hours ago? _______
iii. 4.5 hours ago? _______
Question 7
7.
3. Find the value of each expression.
a)
Question 8
8.
3. Find the value of each expression.
b)
Question 9
9.
3. Find the value of each expression.
c)
Question 10
10.
3. Find the value of each expression.
d)
Question 11
11.
3. Find the value of each expression.
e)
4. To make a specific hair dye, a hair stylist uses a ratio of 1 & 1/8 oz of red tone, 3/4 oz of gray tone, and 5/8 oz of brown tone.
a) If the stylist needs to make 20 oz of dye, how much of each dye color is needed?
_______ oz red
_______ oz gray
_______ oz brown
Question 13
13.
4. To make a specific hair dye, a hair stylist uses a ratio of 1 & 1/8 oz of red tone, 3/4 oz of gray tone, and 5/8 oz of brown tone.
b) If the stylist needs to make 100 oz of dye, how much of each dye color is needed?
