Terminology
If you have a addend and a sum what operation are you using?
Addition
If you have a difference and a subtrahend what operation are you using?
Subtraction
Mrs. Sims went to a pet shop. She bought 15 gold fish, 7 blue fish and 3 packages of fish food. How many fish did she buy?
25 fish
5 x 4 =
20
38 + 27 =
65
What is a quotient?
The answer to a division problem
Beth has 74 crayons. She gives 25 of them away to Jen. How many crayons does Beth have left?
49 crayons
7 x 2 =
14
54 - 8 =
46
What is a prime number?
A number that's factors are only 1 and itself
If I am multiplying what is the answer to the problem called?
Product
Students get 3 stickers on their reward chart for each correct answer. If a student gets 7 correct answers, how many stickers will he get?
21
10 ÷ 5 =
2
22 + 23 =
45
If you have a product what type of problem are you solving?
Multiplication
The arrangement of objects in rows and columns is called?
Array
Hudson and Ivy have some stuffed animals. Hudson has 8 dogs, 11 cats, and 2 monkeys. Ivy has 12 monkeys and 8 elephants. Who had more stuffed animals?
Hudson: 21 Ivy: 20
Hudson has more stuffed animals
9 ÷ 3 =
3
692 - 20 =
672
What is area? What is perimeter?
Area: Multiplying inside of a shape
Perimeter: Adding together all sides of a shape
A number that divides into another number evenly
Huan works at a pizza restaurant. In the morning, he made 23 pizzas to sell. At noon, he had 5 pizzas left. How many pizzas did he sell?
18 pizzas
9 x 3 =
27
123 + 234
357