Repeated Addition
Complete the equation.
8 + 8 + 8 + 8 = 4 x ______
8
Show 7 x 2 on a number line.
14 and a number line
Draw an array to show the problem. Then solve.
5 x 6 = ______
30 and an array with 5 rows 6 columns.
Fill in the missing number.
5 x 3 = ___ x 5
3
12x3
36
Complete the equation.
9 + ___ + ___ = 3 x ___
9
Show 3 x 3 on a number line.
9 and a number line.
Draw an array to show the problem. Then solve.
2 x 9 = ______
18 and an array with 2 rows of 9.
Fill in the missing number.
8 x ____ = 4 x 8
4
8x6
48
Mark has 12 ears of corn to make table decorations. He arranges them in 2 groups of 6. How can you represent this? Choose all that apply.
A. 12 x 2
B. 2 + 2 + 2 + 2 + 2 + 2
C. 6 + 6
D. 2 x 6
E. 12 + 2 + 6
C & D
Suki invites 5 friends to a party. She gives each friend 2 party favors. How many party favors does she give out?
10 favors
Mr. Lopez planted 8 rows of apple trees on his farm. The apple trees are in 5 columns. How many trees are there in all?
40 trees
Use 5 x 2 = 2 x 5 to model the Commutative Property in two separate arrays.
one 2 x 5 array and one 5 x 2 array.
5x5
Jenna saves $5 each week. She wants to know how much money she has saved after 6 weeks. How can you represent this? Choose all that apply.
A. 5 + 5 + 5 + 5 + 5 + 5
B. 5 x 5
C. 5 + 6
D. 6 + 6 + 6 + 6 + 6
E. 5 x 6
A & E
In the last 5 months Stan read 3 books each month. How many books has he read in all?
15 books
Carole makes an array of magnets on her fridge. She makes 7 rows with 8 magnets in each row. Which of the following shows how to find the total number of magnets in Carole's array?
A. 7, 14, 21, 28, 35, 42, 49
B. 7 x 8
C. 7 + 7 + 7 + 7 + 7 + 7 + 7
D. 8 + 7
B
2x5
5x2
7x2
Create an array for 8x5
8 rows with 5
3 groups of 5
3x5=15
9 groups of 7
drawing 9x 7
Raymond says he can use the Commutative Property of Multiplication to show the product of 4 x 6 is the same as the product of 3 x 8. Is he correct? Why or why not?
No, the two multiplication products have different factors. The commutative Property of Multiplication only applies to products with the same factors.
8x7
56