Addition and Subtraction
342 + 123 - 241
224
35 / 7
5
Round 7 to the nearest:
10
100
10
0
What is the area and perimeter of a shape that is 4 in by 9 in?
36 in sq
26 ft
Mrs. Brewer baked 12 cookies for her coworkers. Third grade ate 4 of them. What fraction of cookies did third grade eat?
4 / 12
or
1 / 4
274 - 198
76
7 x 6
42
Round 655 to the nearest:
10
100
660
700
Mrs. Brewer makes a poster that is 9ft in width and 5ft in length, what is the area of the poster?
45 ft sq
Mrs. Brewer travels 10 miles to reach home. She drives for 7 miles in Sikeston and the rest is on the highway. What fraction of miles does Mrs. Brewer travel on the highway?
3 / 10
657 + 569
1,226
15 x 9
135
(10 x 9) + (5 x 9)
90 + 45 = 135
Round 951 to the nearest:
10
100
950
1,000
Mrs. Brewer makes a poster that is 9ft in width and 5ft in length, what is the perimeter of the poster?
28 ft
Mrs. Brewer saw a total of 39 parrots at the zoo. She counted 18 Macaws and 21 Cockatoos. What fraction of Macaws did Mrs. Brewer spot at the zoo?
18 / 39
Mrs. Brewer is making mini rolls for a dinner with her friends. She makes 48 rolls. If one friend eats 13, one eats 9, and the other eats 11, how much is left?
15
48 - 13 - 9 - 11 = 15
Mrs. Brewer is buying cat treats for her cats. If each cat can have 8 treats per day, and the bag says it has 17 servings, what is the total amount of treats in the bag?
136
(8 x 10) + (8 x 7) =
80 + 56 = 136
For the bake sale, Mrs. Brewer baked 144 cookies. Esther baked 49 more cookies than Connie.
About how many cookies did Connie and Esther bake?
YOU SHOULD USE ROUNDING!
350
150 + 200 = 350
Mrs. Brewer's classroom is 27 ft by 12 ft What is the perimeter of the classroom?
78 ft
Mrs. Brewer has 24 pencils in a box. 18 of them have #2 marked on them and the rest are marked #3. What fraction of pencils are marked #3?
6 / 24
or
1 / 4
Mrs. Brewer is buying coloring supplies for school. If her pack of markers has 24 markers, her pack of crayons has 64 crayons, and her pack of colored pencils has 12 colored pencils, how many supplies does she have in total?
100
24 + 64 + 12 = 100
Mrs. Brewer is ordering pizzas for her class. If each pizza slices into 8 pieces, and Mrs. B has 86 students, how many total pizzas will she have to buy?
11
8 x 10 = 80
80 is not enough slices, so you would need 11 pizzas and have 2 slices left over.
Raffle tickets were sold for a school fundraiser to parents, teachers, and students.
63 tickets were sold to teachers.
88 tickets were sold to students.
94 tickets were sold to parents.
About how many tickets were sold to parents, teachers, and students?
280
70 + 90 + 100 = 280
Mrs. Brewer's classroom is 27 ft by 12 ft What is the perimeter of the classroom?
324 ft sq
Mrs. Brewer has a total of 25 marbles. He gives 5 marbles to his sister, Jane. What fraction of the marbles did Jane receive?
5 / 25
or
1 / 5