Even & Odd
Prime & Composite
Rounding
Add / Subtract
10
What makes a number even?
When it can be divided by two.
Can be split into groups of two or pairs.
10
5, 7, 11, 19, 23 are prime because –
a. They have exactly 2 factors
b. They cannot be divided by 2
c. They have more than two factors
d. They are odd numbers
a. They have exactly 2 factors
10
When rounding to the nearest whole number, what place value will you be rounding to?
The ones place.
10
Marcus earned $365 working at the grocery store last summer. He found a couple of video games that he wants to buy that total $683. About how much money does Marcus still need to earn?
$300
20
C
20
What number is neither prime nor composite?
7, 2, 11, 1
1
20
Which of the following round to 1.6 when rounded to the nearest tenth?
1.634
1.587
1.543
1.657
1.699
1.634 and 1.587
20
There were 74,234 fans at a concert. If the concert has 78,910 seats, how many empty seats were there?
4,676 empty seats
30
Which set contains only odd numbers?
a. 25, 66, 70, 81, 101
b. 44, 20, 63, 94, 120
c. 77, 31, 49, 33, 11
d. 10, 42, 84, 96, 122
c. 77, 31, 49, 33, 11
30
Which of these is a composite number?
11, 17, 21, 19
21
30
Which of the following numbers round to 6.458 when rounded to the nearest thousandth?
6.4581
6.4578
6.4588
6.4574
6.4543
6.4581 and 6.4578
30
Danielle earned 10,387 points on IXL last month. Eric earned 7,084 points. How many points would Eric need to earn to tie with Danielle?
3303 points
40
B
40
Which of these is not a prime number?
0, 2, 7, 11, 31
0
40
Which statement about rounding 5.237 to the nearest tenth or hundredth is true?
a. When 5.237 is rounded to the nearest tenth, it is 5.3 because 5.237 is closer to 5.300 than 5.200.
b. When 5.237 is rounded to the nearest tenth, it is 5.4 because 5.237 is closer to 5.400 than 5.300.
c. When 5.237 is rounded to the nearest hundredth, it is 5.24 because 5.237 is closer to 5.240 than 5.230.
d. When 5.237 is rounded to the nearest hundredth, it is 5.23 because 5.237 is closer to 5.230 than 5.240.
c. When 5.237 is rounded to the nearest hundredth, it is 5.24 because 5.237 is closer to 5.240 than 5.230.
40
There are 6,248 students entering 5th grade in a large school system. If 3,715 of the students showed up on the first day, how many students did not show up?
2533 students
50
I am able to divide my class into two equal groups. Based on this information, which of the following numbers could be the number of students in my class.
25, 28, 31, 36, 40
28, 36, 40
50
Which of the following numbers are prime?
60, 25, 19, 21, 23
19 and 23
50
Which of the following numbers round to 37.9 when rounded to the nearest tenth?
37.943
37.864
37.984
37.841
37.812
37.943
37.864
50
Dante’s parents earn $3800 a month in combined income. They spend $350 a month on food and $205 a month of weekend activities. How much of their money is left each month?
$3245
60
Denver had $300, and for his birthday his parents gave him $80 more. On Tuesday, he went shopping and bought pants for $18. Was Denver left with an even or an odd amount of money?
**BONUS POINTS FOR BOTH!**
$362 - EVEN
60
Which of the following is NOT a prime number?
43, 51, 61, 37
51
60
Which three numbers round to 11.9 when rounded to the nearest tenth?
11.84
11.865
11.887
11.854
10.999
11.865
11.887
11.854
60
A craftsman is making crafts for a fair. The craftsman wants to have 932 crafts to sell. Last week, he made 271 crafts and this week made 210. How many more crafts does he need to make?
451 crafts