Multiply Multiples of 10
Solve the equation
60 x 5 = ____
The product is 300.
Solve the following equation
2 x 200
The product is 400.
Round the factors and solve the following equation
54 x 14 =
54 x 14
60 x 10
60 x 10 = 600
The answer to 54 x 14 is about 600.
What are the partial products for the following problem
24 x 16
*Bonus 100: Draw an array to show these partial products.
200
120
40
24
Solve the following problem using your preferred method
23 x 50
The product is 1,150.
Find the product for the following equation
9 x 40 = ?
The product is 360.
Solve the following equation
60 x 800 = ______
The product is 48,000.
Round the factors to solve the problem below
34 x 48 = _____
34 x 48 = ___
30 x 50 = ___
30 x 50 = 1,500
Use partial products to solve the following problem
19 x 27 = ____
19 x 27 = ____
200 + 180 + 70 + 63 = 513
19 x 27 = 513
Find the product for the following equation
34 x 21
The product is 714.
Find the product for the following equation
20 x 50 = _____
The product is 1,000.
Draw a model to solve the following problem
15 x 30
The product is 450.
Round the factors to find the estimated product for the following problem
39 x 37 =
39 --> 40
37 --> 40
40 x 40 = 1,600
39 x 37 is about 1,600.
Draw a model to explain the following problem. Be sure to mark your answer clearly!
24 x 18
The product is 432.
One ticket to the zoo costs $21. If our entire math class of 23 students (plus Ms. Velez!) wanted to go on a field trip to the zoo, what would be the total cost for tickets?
t = $ total ticket cost
t = 21 x 24
t = $483
The total ticket cost would be $483.
Solve the following equation
6 x _____ = 42,000
The missing factor is 7,000.
*Daily Double*
Solve the following problem correctly to earn 800 points!
Ms. Velez says that 30 x 26 is greater than 20 x 36. Is she correct? Draw a model to explain.
Yes, of course Ms. Velez is correct! ;)
Round the factors to find the estimated product for the following problem
88 x 23 = ___
88 --> 90
23 --> 20
90 x 20 = 1,800
The product of 88 x 23 is about 1,800.
Explain how you can break apart the factors in 16 x 34 to make simpler multiplication problems. What are the partial products?
16 = 10 + 6
34 = 30 + 4
6 x 4 = 24
6 x 30 = 180
10 x 4 = 40
10 x 30 = 300
Solve the following problem using your preferred method
81 x 46
The product is 3,726.
The product of two factors is 7,200. If one of the factors is 90, what is the other factor?
The missing factor is 80.
Jovanny exercises for 30 minutes a day. Luka exercises for a 40 a day. Who exercises more in a month with 31 days?
* Bonus 100: By how many more minutes?
Jovanny exercises for 930 minutes in a 31-day month. Luka exercised for 1,240 minutes in a 31-day month. Luka exercised more.
Angelina baked 18 dozen chocolate cupcakes and 13 dozen vanilla cupcakes. About how many cupcakes did she bake in all?
18 --> 20
13 --> 10
1 dozen = 12 cupcakes
Chocolate cupcakes: 12 x 20 = 240
Vanilla cupcakes: 12 x 10 = 120
Angelina baked about 360 cupcakes.
Yahaira plays basketball for a total of 13 hours a week. How many hours does she exercise in a 14-week period?
Draw an array or the box method to model your thinking.
13 x 14
100 + 40 + 30 + 12 = 182
13 x 14 = 182
Yahaira plays basketball for 182 hours in a 14-week period.
Mrs. Wickstrom bought sketchpads for 24 of her students. Each sketchpad contains 50 sheets. How many total sheets of paper are there in all of the notepads?
Write an equation and solve.
p = total number of pages
p = 24 x 50
p = 1,200
There are 1,200 sheets of paper in all of the student notepads.