Vocabulary
Equal Groups
Commutative Property
Arrays
Random
100
What is a product?
The answer to a multiplication problem
100
Count equal groups to find how many.
3x5=15
100
What is another way to write the number sentence
1 x 5 = 5
5 x 1 = 5
100
What is an array?
An array is a group of objects arranged in rows and columns.
100
Zoey wrote 2 + 2 + 2 + 2 + 2 on her math homework. What is another way she could write this math problem using multiplication instead?
5 x 2= 10
Five groups of two
200
What is a factor?
A number that is multiplied by another number to find the product.
200
Count equal groups to find how many.
4x3=12
200
The array above represents the multiplication sentence 6 x 2 = 12.
Draw an array that represents another way to show 6 x 2 = 12
2 x 6 = 12
200
What multiplication sentence does this array represent?
3 x 6 = 18
200
What is 127 x 0
0
300
Define equal groups.
Equal groups are groups that have the same number of objects in each.
300
Draw equal groups, then skip count to find how many.
2 groups of 6
12
300
What factor makes the number sentence true?
5 x _ = 9 x 5
9
300
Draw an array to find the product.
4 x 2 =
Check models
4 x 2 = 8
300
What multiplication sentence does this bar model represent?
6 x 4 = 24
400
What is the zero property of multiplication?
The property that states that the product of zero and any number is zero. (Any factor times zero is zero)
400
Alaina made 3 bracelets. Each bracelet has 3 beads. How many beads does Alaina use altogether? Draw equal groups to solve.
Check picture. 3x3=9 beads
400
Ellie put 6 cars in each of 3 rows. She wrote this number sentence to represent the total number of cars.
3 x 6 = 18
What is a related number sentence that also represents the total number of cars she has?
6 x 3 = 18
400
Mrs. Esposito arranged her desks into 4 rows and 4 columns. How many desks does she have in her classroom? Draw an array to solve the problem.
Check models
4 x 4 = 16 desks
400
Audrey skip counts by 4 on a number line to find 5x4. How many jumps should Audrey draw on the number line?
5 jumps
500
What is the commutative property of multiplication?
The property that states that you can multiply two factors in any order and get the same product.
500
Mr. B split our class of 18 students evenly onto 6 teams. How many students are on each team?
3 students
500
Piper has 5 books on 3 shelves and her sister has 3 books on 5 shelves. How many books do the girls have in all?
30 books
500
Kenny makes an array using 2 rows and 7 columns. He then adds 3 more rows to the array. Write a multiplication sentence that shows Kenny's new array.
5 x 7 = 35
500
There were 6 groups of 5 students on a field trip. There were also 16 parent and teacher chaperones. How many people were on the field trip?
46 people