Rounding
Round 763 to the nearest 10, and to the nearest 100
760, 800
3,735 + 2,134 = _____
5,869
12 x 4 = ____
48
What is a numerator and what does it stand for?
The number on the top of a fraction, it stands for how many pieces are shaded or taken.
Area: The space inside a shape
Perimeter: The measurement around a shape
What are the two closest tens to 648? What are the two closest hundreds?
640 & 650, 600 & 700
2,643 - 1,531 = _____
1112
18 ÷ 3 = ____
6
What is a denominator and what does it stand for?
A denominator is the bottom number in a fraction it stands for how many total pieces there are in something.
Find the area and perimeter of a shape with a length of 4 in and a width of 2 in.
area: 8 square in
perimeter: 12 in
Round 4938 to the nearest 10, to the nearest 100.
4940, 4900
Evelyn had 3,409 stickers. She received 628 more stickers as a gift. How many stickers does Emma have in total?
4037 Stickers
During recess, there are 4 swings at the playground. Each swing can hold 2 children. How many children can play on the swings altogether?
32 children
What is a unit fraction?
1 piece of any size fraction, or a fraction with a one as the numerator.
A rectangle has a length of 8 cm and a width of 6 cm, what is the area and perimeter of this rectangle?
area: 48 square cm
perimeter: 28 cm
Mrs. Bee wanted to sew a dress. She needed 385 yards of ribbon for the dress. She wants to roundup to make sure she has enough. How much should she get if she rounds to the nearest 10? How much should she get if she rounds to the nearest 100?
390, 400
Emery had 1,784 marbles, but she lost 623 of them while playing. How many marbles does she have now?
1611 Marbles
At the book fair, there are 6 boxes of bookmarks. Each box contains 7 bookmarks. How many bookmarks are there in total at the fair?
42 bookmarks
How would you write 8 as a fraction?
8/1
5 x 1
4 x 2
3 x 3
Garrison is throwing a pool party, there are 5,289 balloons decorating his backyard. If we round this number to the nearest 100, how many balloons are there? What if we round it to the nearest 10?
5,300 & 5,290
Tatum's bakery had 1,235 cookies. If she sold 478 cookies in the morning, how many cookies do they have left?
757 cookies
Callen baked 12 trays of cupcakes. Each tray has 8 cupcakes. How many cupcakes did he bake in total?
96 cupcakes
Greyson has 5 pies. Each pie is cut into 6 pieces. How would you represent his pies as a fraction?
30/6
Violet has a rectangular rug with an area of 18 square feet. What are all the possible side lengths, widths, and perimeters of the rug? (there are three)
18 x 1: perimeter: 38 feet
9 x 2: perimeter: 22 feet
6 x 3: perimeter: 18 feet