Multiplication
2x5=
10
10÷ 2=
5
9+17=
24
5-3=
2
What is an array?
Shows equal groups or sets in rows and columns.
5x9
45
25÷ 5=
5
10+10=
20
19-7=
12
Draw an example of an array?
00000
00000
3x7=
21
36÷ 6=
6
23+42=
65
56-47=
9
What is a strategy?
Anything you can use to solve a problem.
hundred chart, open number line, tens and ones
9x9=
81
100÷ 10=
10
59+74=
133
129-57=
72
2(3x4)=3(__x__) find the missing factors and then solve.
3(4x2)
24
10x10=
100
63÷ 9=
7
99+99=
198
1000-625=
375
Make a fact family.
4 equations
Ex. 9+3=12
3+9=12
12÷ 3=4
12÷ 4=3