Math Detectives
Emma has 210 stickers. She gives 65 to her friends and then buys 48 more. How many stickers does she have now?
193
There are 7 baskets with 11 apples in each. How many apples total?
77
A cake is cut into 10 equal slices. Ryan eats 4. What fraction of the cake did he eat?
4/10 or 2/5
A pattern starts at 5 and adds 3 each time. What is the next number after 14?
17
305
A school has 360 pencils. 124 are used in classrooms and 57 are broken. How many usable pencils remain?
179
A teacher has 84 crayons. She puts them into boxes of 7. How many boxes are filled?
12
Two pies are cut into equal parts. One pie has 5 slices and the other has 7 slices. Which pie has larger slices?
The pie with 5 slices.
In an input-output table, the rule is "x2." If the input is 9, what is the output?
18
A school has 420 pencils. 135 are used in classrooms, and 78 are broken. The rest are equally divided into 9 boxes. How many pencils are in each box?
23 per box
A farmer collects 142 eggs in the morning and three times as many in the afternoon. How many eggs does he collect total?
568
A baker makes 9 trays of 14 muffins each. She gives away 28 muffins. How many muffins are left?
98
A chocolate bar has 15 pieces. You eat 2/5 of it. How many pieces did you eat?
A pattern goes 4,8,16,32... What is the rule?
Multiplication pattern
A farmer picks 156 apples in the morning and twice as many in the afternoon. He sells 180 apples at the market. How many apples remain?
288
There are 450 students in a school. 172 are in classrooms and the res are in the gymnasium. Then 38 leave the gym and go to lunch. How many students remain in the gym?
240
A class of 108 students goes on a field trip. Each bus holds 18 students. How many buses are needed?
Which fraction is greater? 7/10 or 2/3?
7/10
If the rule is "+5," what is the output when the input is 27?
32
A bookstore received 560 books. They sold 134 on Monday and 178 on Tuesday, then 250 more books arrived. They want to pack the remaining books into boxes of 8. How many full boxes can they make and how many books are left over?
62 full boxes
2 leftover
A candy store has 600 candies. They sell 215 in the morning and 183 in the afternoon, then receive a shipment of 250 more. How many candies do they have now?
452
There are8 shelves with 16 books each. If 37 books are borrowed, how many books remain?
91
A rope is 36 feet long. You cut it into 9 equal parts. What is the length of each part.
4 feet
An input-output table shows: (3-->9), (4-->12), (5-->15). What is the rule?
Multiply by 3.
A baker makes 12 trays of cookies with 18 cookies on each tray. She sells 45 cookies in the morning and 78 in the afternoon. She then gives 36 to charity. How many cookies remain?
57 cookies remain