Addition and Subtraction
Arthur scored 258 points at a carnival game. Joel scored 84 more points than Arthur and 68 more points than Ruth. How many points did the three score in all?
874 points
How many times does the digit "9" appear in the numbers 1 to 100?
20
It is 6:00 AM, my parents wake up at 10:00 AM. How many hours have elapsed?
4 hours
Each student receives 6 coins and each teacher receives 7 coins. How man coins do 8 students and 5 teachers receive altogether?
83 coins
Find 3 different whole numbers which add and multiply each other to the same resulting number.
Ex: 5x4x7 = 140 , 5+4+7 = 16, however make it so the sum and product are equal so a*b*c = a+b+c
1, 2, and 3
Ivan has 400 more stickers than Tom at first. He gives 300 stickers to Tom. Who has more stickers now? How many more?
Tom has 200 more stickers than Ivan now
How many whole numbers between 1 and 100 contain the digit "6"
20
A cat wakes up at 5:45 PM, it gets fed in approximately 1 hour and 5 minutes. It then goes to sleep in about 30 minutes after it eats. What time does the cat go to sleep?
The cat goes to sleep at 7:20 PM
Mrs. Mendez and Miss Holders distributed 120 pens equally among 8 children. How many pens did each child receive?
Each child received 15 pens.
What single digit appears most frequently between and including the numbers one and a thousand? Hint: Look for a pattern!
The number 1
Sally had 57 more pencils than pens. After she gave away 47 pencils, she had twice as many pencils as pens. How many pens and pencils did Sally have left altogether?
Sally had 30 pens and pencils left altogether.
Jerry has 13 toy cars.
If the sunrise is at 6:45 AM and sunset is at 6:15 PM, how many hours until the next sunrise from the previous sunset?
12 Hours and 30 Minutes until the next sunrise
Mr Gold arranged 544 apples equally into 8 boxes. If he took out 29 apples from one box, how many apples would be left in that box?
39 apples would be left in that box.
I add six to eleven, and get five. Why is this correct?
When it is 11:00 AM, add 6 hours and you get 5:00 PM
I am thinking of a four digit number. When I add all the digits, the sum is 17. What is the smallest possible number?
1079
Laval is 18 years older than Chris. How old will Chris be when Laval is three times as old as Chris?
(The age difference between Laval ad Chris remains unchanged)
Chris will be 9 years old
Emily has a digital clock that shows time in a 24-hour format. The current time is 14:45 (2:45 PM). She wants to set an alarm for 4 hours and 30 minutes later. What time should she set the alarm for? Give in both 24 hour format and 12 hour format. (If only 1 answer, points will be 200 awarded)
Emily should set the time for 19:15 ( 7:15 PM)
Elsa and Mary collected a total of 20 empty bottles. For every 2 empty bottles Elsa collected, Mary collected 3. How many empty bottles did each girl collect?
Elsa collected 8 and Mary collected 12.
One brother says of his younger brother: “Two years ago, I was three times as old as my brother was. In three years time, I will be twice as old as my brother.” How old are they each now?
They will be 20 and 10.
Dennis wrote all the numbers from 300 to 400 on a notebook. How many times did he write the digit "3"?
120 times
The sum of P and Q is 1,023 greater than Q. The sum of P and Q is 549 greater than P.
a) What is the value of P?
b) What is the value of Q
c) Find the sum of P and Q
P = 1,023
Q = 549
P+Q = 1572
For lunch, it takes 15 minutes to bake a batch of cookies and another half an hour to cool them. To add extra designs, it takes about 20 minutes. It then takes a family 34 minutes and 15 seconds to finish eating the batch of cookies. This is the same lunch for 4 days in a row, how much time has gone by in total of 4 days of cookie lunch?
397 minutes or 6 hours and 37 minutes
Mr Steven had 7 bags of 126 coins each. He transfers all the coins into 3 bigger bags. How many coins will each bigger bag contain?
Each bigger bag would have 294 coins.
Using only addition, add eight 8s to get the number 1,000.
888 + 88 + 8 + 8 + 8 = 1,000