Mental Math
What is 25 x 5
125
what is the decimal of 3/4?
0.75
(what can it mean)
divide by 10
what is 25 x 13
325
Hilda spends 4/9 of an hour on each of her hobbies. How could this be written as a division expression?
4 ÷ 9
What is 32 x 4
128
What is the decimal of 3/12?
0.25
What is another way of writing --> multiply by 0.01
(what can it mean)
Divide by 100
what is 64 x 22
1408
A class of students raised $525 and donated it equally to 5 charities. How much did each carity receive?
$105
What is 90 x 2
180
Fred got 17/25 on his science test. What is the percentage?
0.68
68%
what is the product of 0.01 x 7891
78.91
24 students each brought in $15 for a field trip. How much money did we collect in total?
$360
You are a deluxe movie theatre company owner. You have 24 deluxe theatres. Each can hold 99 people. How many people can they hold in total?
2376 people
Ms. Little brought 6 oreos for each of her 24 students. How many oreos did she bring?
144
Lucy got 12/15 on her math test and her friend in another class got 16/20. Who get a better score?
16/20 = 0.8 or 80%
12/15 = 0.8 or 80%
what is the product of 0.1 x 187.65
18.765
Ms. Little bought 28 boxes of pencils. Each box contains 47 pencils. How many pencils are there in total?
1316
Ms. Little bought Real Madrid Soccer Club for 10.5 million dollars. She bought 2 players for 7 million each. How much money did she spend in total?
24.5 million
Bob has read 71 books. Ms Little has read 6 times as many. How many books has Ms. Little read?
426
Ms. Little brought 4 pizzas to school for a pizza party. Her class ate 5/6 of the pizzas. How much pizza is left? (write as a decimal)
0.67 pizzas are left.
929 divided by 0.00001
92,900,000
A farmer plants 36 rows of corn in a field. Each row has 78 corn plants. After a storm, 245 plants were damaged and could not grow. How many healthy corn plants are left?
2563
What is the only number that, when spelled out in English, has its letters in alphabetical order?
F-O-R-T-Y