Add
Joining numbers together to find a sum or total
1 x 1
4 / 1
4
18
20
Rodrigo has 15 balloons. Desmond has 4 more balloons than Rodrigo. How many balloons does Desmond have?
19
Array
A group of objects arranged in equal rows and columns
5 x 3
15
9 / 3
3
72
70
Maleah has 16 pencils. Her teacher gives her 14 more. Then she finds 20 more pencils. How many pencils does Maleah have now?
50
Digit
Numbers 0-9 that can be used to make larger numbers
6 x 4
24
25 / 5
5
148
100
There are 79 lines on a piece of paper. 45 lines are black, 21 are green, and the rest are red. How many red lines are on the piece of paper?
13
Place Value
The value of a digit depending on its position within a number
7 x 8
56
48 / 6
8
975
1000
Hollis has 41 balloons. Cody has 12 more balloons than Hollis. How many balloons do they have in all?
94
Communitive Property (of Multiplication)
The order of how numbers are multiplied does not change the answer
(EX. 5 x 4 = 4 x 5)
77
63 / 9
7
88,543
90,000
There are 56 dice in a bag. The teacher adds 6 dice. Then, a student takes some dice from the bag. Now there are 28 dice in the bag. How many dice did the student take from the bag?
34