Terminology
When you have a addend what operation are you using?
Addition
Lucy went to the grocery store. She bought 12 packs of cookies and 16 packs of noodles. How many packs of groceries did she buy in all?
28 packs of groceries
5 x 4
87 - 19 =
A number that divides into another number evenly
What is the difference?
The answer to a subtraction problem
Cade had 87 marbles. He gave 18 to Dylan and 6 to Sam. How many does he have left?
16 marbles
18 ÷ 3 =
6
74 + 124 =
198
When you have a dividend and a divisor what operation are you using?
Divison
What is an array?
An arrangement of objects in equal rows and columns
In a box of candy canes, there are 18 candy canes. Emma and Jack plan to eat 5 candy canes, give 6 candy canes to their friends and hang the rest on the tree. How many candy canes will be on the tree?
9 Candy Canes
63 x 3 =
189
484 - 26 =
458
A whole number whose only two factors are 1 and itself is called a what?
Prime number
When you have a dividend and a divisor what operation are you using?
Division
There are 67 bird families living near the mountain. If 32 bird families flew away for winter, how many bird families were left near the mountain?
35 birds
61 x 6
366
273 + 39 =
312
What is a multiplicand
the number or quantity being multiplied by another number in a multiplication problem
What is area? What is perimeter?
Area: Multiplying sides together
Perimeter: Sides all added together
Jessica, Annie’s best friend, is hosting a party. She plans on making pizza for everyone. If she bought 15 pieces of pepperoni, 10 pieces of salami and 30 pieces of bacon as ingredients, how many pieces of meat did she buy in total?
55 pieces of meat
56 ÷ 8
7
32 + 49 - 14 =
67
What is the commutative property?
the order of the numbers does not change the final product