Multiplication Equations
Complete this equation for this comparison statement: 36 is 4 times as many as 9
36= ____ x ______
36= 4 x 9
A family is driving 885 miles to a family vacation. They drove 328 miles on the first day and 285 miles the second day. How many miles should they drive on the third day to reach their destination?
Day 1 + Day 2
328+285 =613
Total miles needed - what we drove so far= what is left
885-613= 272
Answer is 272
5 x 7 = 35
What are the factors in this equation?
5 and 7
What is 28 rounded to the nearest ten?
30
What is end result called when you add two numbers together?
Sum
A hand towel cost $4.
A bath towel cost 5 times as much. What equation shows the cost of a bath towel?
5 x 4= 20
3 friends share the cost of renting a canoe. It costs $15 an hour. The friends rented it for 4 hours. How much did each friend pay?
4 hours x 15 dollars in hour= the amount it cost
4 x 15 = 60
60 divided by 3 friends
60 / 3 = 20
It cost each friend $20 to pay for the canoe
Which of the following numbers are prime numbers?
1, 45, 13, 84, 3, 15
1, 13, 3
Brian has 287 rocks in his collection. What is 287 rounded to the nearest ten?
Locate the tens place
look at the number following it. If it is 5 or more we round up, if it is 4 or less...we round down. SO it is either 280 290.
Answer is 290
What is the result called when you subtract two numbers?
Jason has 2 erasers. A new package of erasers has 4 times as many erasers. Write the multiplication equation for the number of erasers in the package.
2 x 4 = 8
A jeweler has 4 boxes of beaded necklaces. Each box holds 2 necklaces. Each necklace is made from 80 beads. How many beads are in all of the boxes?
4 boxes x 2 necklaces per box
8 necklaces total
# of necklaces x 80 beads per necklace =
640 beads total
What are the factors of 18?
1, 18
2, 9
3, 6
Last month, Tom's Tshirt Factory made 52, 316 t shirts. About how many tshirts were made last month? round your answer to the nearest thousands place.
52,000
What is the sum of 17,643 and 2,155?
7,807
What is 548 x 5 ?
2740
Lucas has $33 in a savings account. He is saving to buy a new skateboard. The skateboard cost $78. If Lucas saves $5 each week, how many weeks will he have enough saved to buy the skateboard?
33 + ___= 78
78-33= $45 (is the amount we need)
But we need to divide this by the amount we are going to save each week, which is $5
45/5=9
Answer is 9
Which number is a multiple of 53 that is a prime number?
1, 13, 35, 53
53
Round 329,755 to the nearest ten thousands.
330,000
A conductor traveled 12,384 miles on one trip and traveled 9,472 miles on another trip. How many miles did the conductor travel on both trips?
21, 856
What is 3542 x 12 ?
42,504
Amil took 213 photos with his new camera. He deleted 25 of them. Then he arranged the rest in 4 folders on his computer. Each folder had the same number of photos. How many photos did he put into each folder?
213 - 15 (deleted)= 198 photos
198 photos into 4 folders
198 / 4 = 49.5
Each folder has 49 photos.
2, 7, 6, 21
Factors of 42=
1, 42,2,21, 6,7,
Odd numbers= 1, 7, 21
Composite= 21
Which of the following statements are true?
A- 61,733 rounded to the nearest ten thousands is 62,000
B- 1,504 rounded to the nearest ten is 1,500
C- 70,527 rounded to the nearest thousand is 70,000
D- 948,994 rounded to the nearest ten thousand is 900,000
E- 42,006 rounded to the nearest hundred is 42,000
A
D
Mrs. Zike's heart beats 115,200 times a day. Her baby's heart beat beats 172,240 times a day. How many more times does the baby's heart beat than Mrs. Zike's heart?
57,040