Computation
Find 3 x 30.
Number of Jumps: ?
Size of Each Jump: ?
Use a number line to show your answer.
3 x 30 = 90
Number of Jumps: 3
Size of Each Jump: 30
There are 6 boxes of cookies. Each box holds 90 cookies. You empty the boxes and put an equal number of cookies into 9 jars. How many cookies are in each jar?
60 cookies
Find 4 x 60.
Number of Jumps: ?
Size of Each Jump: ?
Use a number line to show your answer.
4 x 60 = 240
Number of Jumps: 4
Size of Each Jump: 60
You buy 8 T-shirts for $4 each. You pay with a $50 bill. How much change do you get?
$28
Use the Associative Property of Multiplication to find 5 x 70.
5 x 70 = 5 x (? x 10)
5 x 70 = (5 x ?) x 10
5 x 70 = ? x 10
5 x 70 = ?
5 x 70 = 5 x (7 x 10)
5 x 70 = (5 x 7) x 10
5 x 70 = 35 x 10
5 x 70 = 350
Maria saves $8 each week for 20 weeks. How much more money does she need to buy a tablet that costs $200? If she continues to save the same amount each week, how many more weeks does she need to save to buy the tablet?
5 weeks
Use the Distributive Property to find 7 x 40.
7 x 40 = 7 x (20 + ?)
7 x 40 = (7 x 20) + (7 x ?)
7 x 40 = ? + ?
5 x 70 = ?
7 x 40 = 7 x (20 + 20)
7 x 40 = (7 x 20) + (7 x 20)
7 x 40 = 140 + 140
5 x 70 = 280
A school drama club earns $90 each week selling tickets. The club wants to buy new stage lights that cost $450. After how many weeks can the club buy the lights?
5 weeks
Find the number that makes 5 x ? - 3 = 17.
4
Find 4 x 50. How many hundreds are in the product? How many tens?
4 x 50 = 200
2 Hundreds
20 Tens