Cool
2234 + 997
3,231
7065 - 399
6,666
9789 + 7654
17,443
9203 - 689
8,514
7896 + 9999
17,895
25 ÷ 5 + 8 x 6
54
5 + 9 - (8+2)
35
8 + 20 - (16 ÷ 4)
24
667.7 x 0.1
66.77
1234 x 0.01
12.34
What's the area of a triangle? Who's height is 8 cm and base is 6 cm?
24 square centimeters
What's the area of a parallelogram? Who's height is 9 cm and base is 7 cm?
63 square centimeters
What's the area of a rectangle? Who's height is 7 cm and base is 6 cm?
42 square centimeters
Estimate the sum.
10.2 + 4.5
10 + 5 = 15
10.2 + 4.5 ~ 15
Estimate the difference.
10.4 − 3.9
10.4 − 3.9 ~ 6
Heritage Gardens is adding new tropical greenhouses. The gardeners will split m tropical plants evenly among the 3 new greenhouses. They will put 20 tropical plants in each greenhouse. How many tropical plants are they planting?
Draw a diagram to model the story?
Solve.
Total is m
Parts are 20 x 3
Equation: m = 20 x 3
m = 60
Mr. Nelly's class collected n cans during the canned food drive. Before donating them to the local food bank, the students divided the cans evenly into 5 boxes. The students packed 20 cans in each box. How many cans did the class collected?
Draw a model to show the story.
Answer.
Total is n cans
Parts is 5 boxes of 20
Equation: n = 5 x 20
The class collected 100 cans.
There is a wide variety of aquatic animals at Marine Encounters Aquarium. The aquarium has f freshwater tanks and 39 saltwater tanks. There are 65 tanks in all. How many freshwater tanks are there?
Draw a model.
Answer.
Total tanks: 65
Parts: f freshwater and 39 saltwater
Equation: 65 = f + 39
Solve: f = 65 - 39 = 26
There are 26 freshwater tanks.
Omar makes custom balloon animals for kids' birthday parties. He needs to make 8 unicorns for Saturday's party. It takes b balloons to make each unicorn, so Omar needs a total of 32 balloons. How many balloons does he need for each ballon?
Total: 32 balloons
Parts: b balloons for 8 unicorns
Equation: 32 = b8
Solve: b = 32 ÷ 8 = 4
Answer: He needs 4 balloons for each unicorn.
Before he went to camp last summer, Karim's grandmother made him a quilt out of his old T-shirts. The quilt has an area of q square feet. To create the design, she used 12 rectangular patches, each with an area of 2 square feet.What's the total area of the quit?
Total: q square feet
Parts: 12 patches of 2 square feet
Equation: q = 12 x 2
Solve: q = 24
Answer: The total area of the quilt is 24 square feet