Multiply Positive & Negative Decimals
What is 2.5 x –3?
–7.5
What is 6.4 ÷ -0.8?
-8
What is 2/3 ÷ 1/6?
12/3 or 4
What is 3/4 x 2/5
6/20
Brandon bikes 9 miles for his triathlon. There are water stops every 1 1/2 miles. How many water stops are there?
9 ÷ 1.5 =
6 stops
What is –4.2 x 1.5?
–6.3
What is –74.4 ÷ 18.6?
-4
Rewrite using keep-change-flip
4/5 ÷ -1/2?
4/5 x -2/1
What is 4/5 × 3/2?
6/5
A student spends $1.74 each day for 4.5 days. Each amount is recorded as a negative change.
What is the total change in their money?
-1.74 x 4.5 =
-7.83
What is -1.8 × 2.5?
-4.5
What is 4.8 ÷ –0.6?
–8
What is 8/1 ÷ 16/5?
40/16
What is 2/3 x 9/10?
18/30
A farm has 50 3/4 pounds of hay for it's cows in the winter. If there are 5 cows, how much hay will each cow get?
50.75 ÷ 5 =
50.75 ÷ 5 = 10.15 lbs per cow
What is 3.75 x –0.4?
–1.5
A food truck owned by 5 best friends, loses $350 their first month of business. They decide to share the loss equally. Write and solve an expression that will show each owner's share of the loss. What is –350 ÷ 5?
-350/5= -70
What is 2 1/4 ÷ –3 3/4?
–36/60
5/6 x 3/4
15/24
Henley is selling squishies. She makes $0.75 oer squishy. She gives away 9 to her friends on their birthdays, how much did she lose in profit?
.75 x -9 =
profit 3.25-2.50 = .75.
.75 x -9 = -6.75
What is –2.34 x 3.2
–7.488
An airplane is descending -20.75 km per hour. What will be the change in height after 2 1/2 hours? –20.75 x 2.5 =
–20.75 x 2.5 = -51.875
Jalen lost 10 yards per play.
At this rate, where will Jalen be after 6 plays?
-10 x 6 =
-10 x 6 = -60
What is 12/5 x 3/2?
36/10
The average change in temperature -36 degrees per 4.5 hours. (Is the change in temperature positive or negative?
-36 ÷ 4.5 =
-36 ÷ 4.5= -8 degrees per hour