Order of Operations
What does the acronym GEMA stand for?
Groupings
Exponents
Multiplication/Division
Addition/Subtraction
What is the basic unit of length in the metric system?
meter
What is the basic unit of length in the customary system?
feet
If you have 3 apples and buy 5 more, then eat 2, how many apples do you have left?
3 + 5 - 2
6
Solve: 6+4×2
14
How many millimeters are in a centimeter?
10 mm = 1 cm
How many inches are in a foot?
12in = 1 ft
You have 12 candies. You give 3 to a friend, and then your friend gives you 5 back. How many do you have now?
12 - 3 + 5
14
Solve: (3+5)×2−4
12
Convert 5 kilometers to meters.
1k = 1000m
5k = 5000m
Convert 7 feet to inches.
1 ft = 12 in
7 ft = 84 in
Maya baked 4 trays of cookies. Each tray had 6 rows of 5 cookies. She gave away 30 cookies to neighbors. How many cookies does Maya have left?
(4 × 6 × 5) − 30
90
What is the result of 8+(2×5)−3
15
What is the metric unit for mass?
gram
Convert 2 gallons to quarts
1 g = 4 qt.
2 g = 8 qt.
Lena bought 2 pizzas. Each pizza had 8 slices. She and her 4 friends shared the pizzas equally.
How many slices did each person get?
Write the EXPRESSION then SOLVE
(2 × 8) ÷ 5
3 pieces with 1 piece left over
or 3 1/5
Evaluate: 23+4×(6−2)
24
Convert 2500 grams to kilograms.
1000g = 1kg
2500g = 2.5kg
Convert 4 quarts to pints.
1 qt = 2 pt
4 qt = 8 pt.
A group of kids watched 2 movies. The first movie was 120 minutes. The second was 90 minutes. They took two 15-minute breaks between and after the movies. How many hours did they spend altogether at the movie night?
120 + 90 + (2 × 15)
240 minutes = 4 hours