2x4=
8
8÷4=
2
Ms. Green sets up chairs for a concert. She sets up 3 rows of 4 chairs. How many chairs does Ms. Green set up?
Draw an array to solve
array with 3 rows and 4 chairs in each row
What expression is 7 fours equal to?
7x4
3x5=
15
20÷4=
5
Ms. Green sets up chairs for a concert. She sets up 3 rows of 4 chairs. How many chairs does Ms. Green set up?
Ms. Green sets up ______ chairs altogether.
Ms. Green sets up 12 chairs altogether.
Fill in the blank:
7x5=(5 x 5) + (__ x 5)
2
6x5=
30
12÷3=
Ms. Scott plays a game. Students earn 5 points for each question they answer correctly. They earn 25 points on Monday.
How many questions did the students answer correctly on Monday?
The students answered 5 questions correctly.
Fill in the blanks:
7 x 5 = (5 x 5) + (2 x 5)
= _____ + ______
25, 10
7x3=
21
40÷5=
8
Ms. Scott plays a game. Students earn 5 points for each question they answer correctly. They asnwer 8 questions right on Tuesday.
How many points did the students earn on Tuesday?
The students earned 40 points on Tuesday.
Evan says that 3 x 4 can also be written as 4 x 3. Is he Evan correct? Explain your thinking.
Yes, Evan is correct because he could draw an array with 3 rows of 4 or 4 rows of 3. Either way the total number is 12.
3 x 4 = 12
4 x 3 = 12
4x8=
32
21÷3=
7
Which situation can be represented by 15÷3?
A. The total of 15 books and 3 books.
B. The difference between 15 cookies and 3 cookies.
C. The total number of grapes when 3 children each have 15 grapes.
D. The number of marbles in each group when 3 children share 15 marbles equally.
D
Solve for 9 x 4 by filling in the blanks:
9 x 4 = (__ x 4) - (___ x 4)
= ____ - _____
= ______
9 x 4 = (10 x 4) - (1 x 4)
= 40 - 4
= 36