Basic Facts
Any number times itself is...
That number. This is called the Identity Property. Identity property states that when any number is combined with an identity either 0 or 1, the end result will be the number itself. The property is applicable while using the four main arithmetic operations - addition, multiplication, subtraction, and division.
What is 43 x 7?
301
What is 78 x 83?
6,474
What is 17 x 158?
2686
True or False: Division is the process of separating numbers into smaller, equal groups.
True.
8 x 9=
72
What is 50 x 5?
250
What is 61 x 27?
1,647
25 x 345 is ....
8,625
Each of the _______ parts of the division process has a special name.
a) 4
b) 3
c) 11
4.
Dividend: The dividend is the number that is being divided in the division process.
Divisor: The number by which the dividend is being divided by is called the divisor.
Quotient: The quotient is a result obtained in the division process.
Remainder: Sometimes, we cannot divide things exactly. There may be a leftover number. That leftover number is called the remainder.
Albert has 56 eggs this is 7 times as many eggs as Bill has. How many eggs does Bill have?
56 divided by 7 is 8. Bill has 8 eggs.
What is 34 x 8?
272
What is 79 x 15?
1,185
138 x 29 = ?
4002
What is 171 divided by 3?
57
154
How much is 9 groups of 57?
513
Solve: What is 19 groups of 74?
1,406
What are the 2 strategies we have been using to multiply multi-digit numbers? Identify them and provide an example of both.
Standard Algorithm and the Area Model. Explanations and examples vary.
What is 6148 divided by 4?
1,537
What is three groups of 199?
597
What is 99 x 4?
396
Russ has 51 boxes of cookies to sell at the bake sale. Thyla has 16 times as many cookies as Russ does. How many cookies do they have in all?
Multi-Step Word Problem: First, solve for 51 x 16. That is 816. Then, add together 51 + 816 for the total amount: 867 cookies.
289 x 76 creates what number?
21,964
Divide 1579 by 6.
263 R1