Chapter 1 C-F Flashcards
What is the sum of 27 and 15?
42
If you subtract 9 from 20, what is the result?
11
True or False: The sum of two positive integers is always a positive integer.
True
Fill in the blank: The result of adding two numbers is called the _____ .
sum
What is 56 - 34?
22
What is the algorithm for adding positive integers?
Align the numbers by place value and add each column starting from the right.
If you have a remainder of 3 when dividing 14 by 5, what is the quotient?
2
Choose the correct answer: What is 45 + 36? A) 81 B) 91 C) 82
B) 81
What do you call the number that is left over after division?
remainder
True or False: 100 - 75 = 25.
True
What is the sum of 99 and 1?
100
Fill in the blank: When subtracting, if the top number is smaller than the bottom number, the result is _____ .
negative
If you add 37 and 58, what is the result?
95
What is 81 - 27?
54
In the equation 23 + 47, what is the first step in the algorithm?
Align the numbers by place value.
Choose the correct answer: What is 66 - 29? A) 37 B) 36 C) 35
A) 37
What is the result of 25 + 37?
62
Fill in the blank: A number that can be divided evenly into another number is called a _____ .
divisor
What is the algorithm for subtracting positive integers?
Align the numbers by place value and subtract each column starting from the right.
True or False: The sum of any two positive integers can result in a negative integer.
False
What is the remainder when 10 is divided by 3?
1
What is the result of 150 - 75?
75
If you have 100 apples and give away 45, how many apples do you have left?
55
Fill in the blank: The process of finding a sum is called _____ .
addition
What is 72 + 19?
91
What is the result of 84 - 28?
56
Choose the correct answer: What is 90 + 45? A) 135 B) 125 C) 140
A) 135
