Groups Of or Array Method
Show 8 groups of 2 and the total
16
What two operations fall under the commutative property?
Multiplication & Addition
Use the number line method to solve the following problems
2 groups of 7 = ___________
How long will each jump be? ______________
How many jumps will you make? _____________
2 groups of 7 = 14
How long will each jump be? 7
How many jumps will you make? 2
123 x 4
492
3,265 x 5
16,325
Show 13 groups of 5
65
Show the commutative property of 212 x 213
213 x 212
Use the number line method to solve the following problems.
3 groups of 4 = ___________
How long will each jump be? ______________
How many jumps will you make? _____________
3 groups of 4 = 12
How long will each jump be? 4
How many jumps will you make? 3
3,213 x 5
16,065
45 x 34
1,530
14 x 2, using the group method
28
Show the commutative property of 87,263 x 7,137
7,137 x 87,263
Use the number line method to solve the following problems.
6 groups of 4= ___________
How long will each jump be? ___________
How many jumps will you make? ___________
6 groups of 4= 24
How long will each jump be? 4
How many jumps will you make? 6
749 x 6
4,494
7,114 x 35
248,990
Use the array method to solve 4 x 5
20
Kingston, Paxton, and William each ate 9 slices of pizza at lunch. How many slices did the three boys eat?
27 slices of pizza
Skip count to find 5 x 4
20
21,585 x 4
86,340
511 x 312
159,432
Use the array method to solve 4 x 13
52
Christian made 9 rows of 6 chairs. How many chairs did Christian use?
54 chairs
Skip count to find 6 x 7
42
635 x 6
3,810
4,112 x 252
1,036,224