Put these in order from least to greatest 2.9, 2.87, 2.09, 2.84
2.09, 2.84, 2.87, 2.9
25,386 + 17,427 = ____
42,813
True or false: You must find common denominators in order to multiply or divide fractions.
FALSE
Add: 3/5 + 2/10
3/5 = 6/10 so 6/10 + 2/10 = 8/10
A brown hamster weighs 18 oz, a white one weighs 1 pound. Which one weighs more? How much more?
The brown one weighs 2 oz more than the white one
Make a T to show the factors of 36.
1x36, 2x18, 3x12, 4x9, 6x6
58,630 - 29,727 = _____
28,903
Multiply: 3/8 x 2/4
6/32
Subtract: 7/16 - 1/4
1/4 = 4/16, so 7/16 - 4/16 = 3/16
A bakery makes 9 dozen cinnamon bagels per day. How many cinnamon bagels does it make in a week? (hint: how many are in a dozen, and how many days in a week?)
9 x 12 = 108; 108 x 7 = 756
The area of a rectangular shape is 72. If the Width is 6, what is the Length?
12, because 6x12=72
274 x 83 = _____
22,742
What number is missing? 4/5 x 7/? = 28/45
9
Add: 3 1/3 + 4 3/6 =
3 1/3 = 3 2/6, so 3 2/6 + 4 3/6 = 7 5/6
24 students, 3 teachers, and 4 parents went on the trip to the zoo. Each student ticket cost $10, adults cost $12, and teachers are free. How much did all the tickets cost?
10 x 24 = $240; 4 x 12 = $48; $240 + $48 = $288
A number is divisible by 5 if it ends in ____ or ____.
0 or 5
Is this correct? 526 divided by 8 = 75 R8
no, the remainder is too big. It's 65 R6
What is the "jingle" to help you remember how to divide fractions?
Keep, Change, Flip
Subtract this: 6 7/9 - 3 2/6 =
6 7/9 = 6 14/18 3 2/6 = 3 6/18 6 14/18 - 3 6/18 = 3 8/18
For field day, Coach took all 50 4th graders and split them into 6 teams. Will the teams be even? If not, how many will be on each team, and how many extra students will there be?
no, there will be teams of 8, with 2 students left over.
3 lbs. 5 oz. = ______ oz? (Remember 16 oz = 1 lb)
3x16=48, 48 + 5 = 53 oz.
4 x 6 ? 184 / 8
> greater than; 24 > 23
Divide: 2/5 / 3 =
2/5 x 1/3 = 2/15
Subtract: 7 2/9 - 4 6/9
You have to borow. 7 2/9 = 6 11/9, 6 11/9 - 4 6/9 = 2 5/9
In fifth grade you will have to read 4 novels, for a total of 1,044 pages. If each book has the same number of pages, how many pages are in each book?
261 pages