When multiplying a 2-Digit by a 1-Digit Number (ex: 21 x 4) do you need to use area model method?
No, you do not need to use area model method to multiply 21 x 4. However, you can if you want to. It is highly suggested that you use the standard method to solve this problem.
When multiplying a 3-Digit by a 1-Digit Number (ex: 213 x 4) do you need to use area model method?
No, you do not need to use area model method to multiply 213 x 4. It is highly suggested that you use the standard method to solve this problem.
When multiplying a 2-Digit by a 2-Digit Number (ex: 21 x 14) do you need to use area model method?
Yes, you do. You should use it any time your 2nd factor has more than 1 digit.
When multiplying a 3-Digit by a 2-Digit Number (ex: 21 x 14) do you need to use area model method?
Yes, you do. You should use it any time your 2nd factor has more than 1 digit.
60 square feet
Solve the following multiplication problem:
20 x 7
140
Solve the following multiplication problem:
600 x 5
3,000
Solve the following multiplication problem:
900 x 60
54,000
Solve the following multiplication problem:
800 x 50
40,000
Is this an addition, subtraction, or multiplication word problem?
This is an addition word problem. (You want to know how much money Amanda spent in all)
Solve the following multiplication problem:
35 x 9
315
Solve the following multiplication problem:
456 x 7
3,192
Solve the following multiplication problem:
99 x 27
2,673
Solve the following multiplication problem:
369 x 82
Is this an addition, subtraction, or multiplication word problem?
Identify the error that was made.
Missing zero: 4 x 70 = 280
280
+ 32
312
Identify the error that was made.
Did not expand 872 correctly. It should have been 800 + 70 + 2.
6 x 800 = 4800
6 x 70 = 420
6 x 2 = + 12
5,232
Identify the error that was made.
They made a multiplication error in the 2nd box on the top. When they did 30 x 3, they added 3 + 3 and got 6. However, they needed to multiply 3 x 3 which would be 9 and then you would add a 0, making it to be 90 not 60.
600 + 90 = 690
160 + 24= 184
874
Identify the error that was made.
They made an addition error. They did not line up the place value when adding.
It should have been: 9060
+ 453
9513
Solve the following word problem.
Jeff delivers 775 newspapers in all.
Alexis was reading her new book at a speed of 58 pages per night. If she reads every night for a week at this speed, how many pages would she have read?
*Think - How many days are in a week?*
After a week, Alexis would have read 406 pages.
The girl scouts are having their annual cookie sale. Emily sells 289 boxes of cookies each month. After 3 months, how many boxes of cookies did Emily sell?
After 3 months, Emily will have sold 867 boxes of cookies.
Mrs. O'Boyle bought each of the 36 kids in her class a pencil box. Each box has 12 pencils in it. How many pencils did she buy?
Mrs. O'Boyle bought 432 pencils.
Ava's garden has 138 rows of pumpkins. Each row has 24 pumpkins. How many pumpkins does she have in all?
Ava's garden has 3,312 pumpkins in all.
Solve the following word problem.
Daisy has 106 times more pears than Michelle. Michelle has 19 pears. How many pears does Daisy have?
Daisy has 2,014 pears.