Card 0 of 20
Chad brushed his teeth 2 times a day for 3 days. How many times did Chad brush his teeth in total?
Multiply the number of days by the number of times he brushed his teeth each day:
You can also add up the twice daily brushings for the three days:
Compare your answer with the correct one above
Write 12 down. Then write the 3 below the 2 in 12.
Multiply the bottom number with the top numbers, starting on the right:
The answer is 36.
Compare your answer with the correct one above
If you know your multiplication tables, you'll know that .
or:
Add .
or:
Draw and count the groups.
****** ******
******
******
******
******
******
******
Compare your answer with the correct one above
Solve the problem.
Jill ate cookies every day for one week. How many cookies did she eat in all?
Since there are days in a week, you will multiply
.
Or
Add
Or
Draw a table:
Sun **
Mon **
Tues **
Wed **
Thurs **
Fri **
Sat **
Compare your answer with the correct one above
If you know your multiplication tables, you'll immediately know the answer is 54.
If not, draw 6 groups of 9 and add them up.
Compare your answer with the correct one above
Fill in the blank to make a true statement:
______________
By the order of operations, multiplication comes before addition.
Compare your answer with the correct one above
Isaiah buys 5 snacks from the vending machine . If each snack is $1.75, how much money does Isaiah spend?
Since each snack costs $1.75, multiply $1.75 by 5 to find the total cost:
Compare your answer with the correct one above
Margaret needs to rent chairs for a party on Saturday. If each table seats people and she has
tables, how many chairs does she need to rent?
Each person needs chair. Since each table seats
people and there are
tables, you must multiply.
Another method is to make groups of
and add them up.
Compare your answer with the correct one above
Find the product of and
.
To find the product you must multiply.
You could also make groups of
and add them up.
ooooooooo ooooooooo ooooooooo ooooooooo ooooooooo ooooooooo ooooooooo ooooooooo =
Compare your answer with the correct one above
The lizards in a cage at the pet store have an average of spots on their bodies. If there are
lizards in the cage, how many spots are on all of the lizards in total.
The average is the ratio of the total number of spots to the total number of lizards.
Therefore
Multiply both sides by 64 to obtain:
Compare your answer with the correct one above
place the following in order from greatest to least:
is negative, so
will be smaller than
and
.
is a decimal, so it will have greater magnitude than
(which will make it smaller, since they are both negative).
is a decimal so
will have greater magnitude than
(which will make it greater, since they are both positive).
Compare your answer with the correct one above
Find the product.
The correct answer for 7 times 8 is 56.
Compare your answer with the correct one above
If Greg eats 4 apples a day, how many apples will he have eaten in one week (7 days)?
You multiply the number of apples he eats a day by the number of days. So it is
apples.
Compare your answer with the correct one above
When you multiply the two values, you get 391.
Compare your answer with the correct one above
If Carol has to drive 60mph for 4 hours to reach her friend's house, how far is her friend's house?
so
Compare your answer with the correct one above
Find the product of and
.
To find the product you must multiply.
Another method is to make groups of
and add them up.
ooooooo ooooooo ooooooo = 21
Compare your answer with the correct one above
Find the product of 14 and 3.
To find the product, we need to multiply.
Another way to solve is to add up three groups of 14.
Compare your answer with the correct one above
Sally ate three sandwiches each day from Monday to Friday. How many sandwiches did she eat in all?
Every day Sally eats 3 sandwiches, so we will multiply 3 by the number of days.
Monday, Tuesday, Wednesday, Thursday, Friday is five days.
Another way to solve is to add the number of sandwiches each day for five days.
Compare your answer with the correct one above
Find the missing number in the series.
The series is increasing, and shows the sequence of of perfect squares. Each term is equal to a number times itself.
This missing number will be equal to five times five.
Compare your answer with the correct one above
Find the product.
To find the product you must multiply.
Or you can make 4 groups of 9 and add them up:
ooooooooo ooooooooo ooooooooo ooooooooo = 36
Compare your answer with the correct one above