Word Problems
The plane ticket for Mexico is $1,473 per person. If a family of 5 wants to take a trip to Mexico, how much will they pay in plane tickets?
They will pay $7,365 in plane tickets.
7 x 98
686
All of the factors of 6
1, 2, 3 and 6
Multiples of 3 up to 25.
3, 6, 9, 12, 15, 18, 21, and 24
This number is prime. A. 20 B. 15 C. 10 D. 5
Ms. Smith bought 5,416 donuts for the school. Each donut cost $4. How much did the donuts cost in total?
The donuts cost $21,664 in total.
9 x 999
8,991
All of the factors of 12?
1, 2, 3, 4, 6 and 12
The first 5 multiples of 5
5, 10, 15, 20, and 25
This number is composite. A. 4 B. 5 C. 11 D. 17
A 4
5 x 2,412
4,824
1, 2, 3, 4, 6, 8, 12, and 24
The multiples of 20 up to 80
20, 40, 60, and 80
This number is composite. A. 5 B. 13 C. 9 D. 17
C 9
When you multiply 24 x 51, what partial products do you get?
You get the following partial products:
20 x 50 = 1,000
20 x 1 = 20
4 x 50= 200
4 x 1 = 4
83 x 17
1,411
The prime factors of 15
Odd multiples of 3 up to 25
3, 9, 15, and 21
This number is prime. A. 48 B. 66 C. 10 D. 23
D 23
A florist makes centerpieces. He puts 18 roses in each centerpiece. Which is the best way to use compatible numbers to estimate the number of roses the florist needs for 24 centerpieces? What is the exact number of roses?
You can use the compatible numbers 20 x 25 = 500 or 20 x 20 = 400.
24 x 18 = 432
The exact number of roses is 432.
91 x 40
3,640
The prime factors of 20
2 and 5
The odd multiples of 6 up to 40
none
The only number that is neither prime nor composite.
1