True/False
When adding and subtracting decimals, you always include the decimals.
True
3.14 + 5.12 =
8.26
What is the equation used to solve for profit?
P = selling price - expenses
For lunch, John orders a salad for $6.99, a water for $1.25 each, and two bananas for $0.75 each.
How much change will he receive from a $10 bill?
$0.26
When adding and subtracting decimals, you always put the longer number on top.
False
7.75 - 1.8
5.95
Isaiah started a small business selling toys. He bought and repaired small cars for $4.40. Then, he sold them for $18.
What was Isaiah's profit?
$13.60
John walked his dog for 4.25 miles on Monday, 5.75 miles on Tuesday, and 1.3 miles on Wednesday.
What is the difference in miles between Monday and Tuesday?
1.5 miles
When adding and subtracting decimals, you ignore the decimal points.
False
3 + 4.55=
7.55
Adam sold snacks. The cost of preparing the snacks was $10.34. The money he received from the sale was $22.75.
What was Adam's profit?
$12.41
Marley spent $2.78 on a sandwich, $1.89 on a soda, $1.25 on chips, and $1.75 on a cookie.
How much did she spend in all?
$7.67
When adding and subtracting decimals you put the bigger number on top.
True
17.82 - 3.66=
14.16
Zendaya buys a chair for $18. She buys paint for $8 and repaints the chair. She sells the chair for $50.
What is Zendaya's profit in dollars?
$24
Sam earned $432 last week. She went to the mall and bought 3 shirts and a hat for $65.72.
How much money does Sam have left?
$366.28
When adding or subtracting numbers, you always start with the smallest place value?
True!
311.7 + 2.81=
314.51
Victoria bought an old table. She repainted it so that it looked new. Then, she sold the table. Victoria made this list about what she did.
Price paid for old table: $10.00
Cost to repair and paint: $5.50
Selling price: $40.00
What was Victoria's profit from selling the table?
$24.50
Blake buys a roll of craft paper for $5.98 and some glue for $3.76. She saves $0.75 by using a coupon.
What is the total cost after she applies the coupon?
$8.99