Evaluate
Start Subtract Multiply Add Result
? 3 4 8 40
what number was in the start?
The number at the start was 11
In the addition example, different letters represent different digits. Whats digit does A represent?
AA
+ AA
_____
CAB
A=9
Add: 531 + 642 + 753 + 864 + 975.
Answer = 3765
AA
BB
+CC
_____
B A C
What do A, B, C represent?
A=9 99
B=1 11
C=8 + 88
_______
198
The first 40 odd counting numbers are written. How many times does ‘3’ appear as a digit?
3 appeared 13 times
What is the total of:
one plus two plus three plus four plus five plus six plus one plus two plus three plus four plus five plus six plus one plus two plus three plus four plus five plus six plus one plus two plus three plus four plus five plus six plus one plus two plus three plus four plus five?
The answer is 99
Express the sum at the right as a simple fraction in the lowest term.
1 1
____ + ____
1 1
2+ __ 2 + __
2 2
The answer is 7/10
Suppose the time is now 2:00 on a 12 hour clock which runs continuously. What time will it show a thousand hours from now.
6:00
In the following cryptarithm, each different letter represents a different digit in the 6-digit numbers. If B cannot equal 0, what is the least sum possible?
BETTER
BITTER
BATTER
+BUTTER
_________
The answer is 512,024
Ashley has a rectangle made out of paper that is 8 cm by 12 cm. She folds it in half twice, first vertically and then horizontally. The new rectangle looks just like the original rectangle but smaller. What is the area of the new smaller rectangle in square cm?
The area is 24 cm2
What is the greatest whole number less than 1000 that:
(1) can be expressed as the sum of two consecutive whole numbers, and
(2) can be expressed as the sum of three consecutive whole numbers, and
(3) can be expressed as the sum of five consecutive whole numbers?
The answer is 975
What two digit number does AB represent?
AB
x AB
_____
CAB
ABBDB
____
BEDB
AB=75