Show:
Number Sense
Word Problems
Properties
Math Operations
Vocabulary
100
Solve using a number line: -3 + 3 = ____
0. Student should show this on a number line.
100
Ashley had $10 and allowed Erick to borrow $7 to buy meatballs. How much does Ashley have now? Check you answer with a number line.
The teacher will check that the number line is drawn correctly. 10-7=$3
100
What property is shown here and how do you know?: 4/7 + 20% - 3 = -3 + 4/7 +20%
Commutative property because the order of the numbers are different on the right side compared to the left side.
100
When a negative number is divided by a negative the answer is ____________.
positive
100
When the order of the numbers doesn't matter in addition or multiplication.
The Commutative Property
200
Solve by using a number line: -6 + 5 = ___
-1. The teacher will check the group's board.
200
Miguel's cell phone bill deducts $20 dollars from his bank each month. How much will the deductions be for a year (12 months)?
20 x 12 = $240
200
Which one shows the associative property? Why/How do you know? 1. 4 x 6 = 6 x 4 2. 7 x (Y x 4) = (7 x Y) x 4 3. 4 ( Y + 2 ) = 4Y + 8
2. 7 x (Y x 4) = (7 x Y) x 4 because the order of the numbers are the SAME but the parenthesis GROUPED them differently.
200
What is 2/3 as a decimal?
0.6666666
200
When the grouping of the numbers don't matter.
Associative Property
300
Solve using a number line. -30 + -3
-33. The teacher will check that the number line is drawn correctly with arrows in the right directions.
300
Write a real world situation that uses addition or subtraction.
The teacher will check the word problem.
300
Solve and say what property you used. Show your work. 1. 4 ( x + 7)
1. Distributive
300
Write 7 1/8 as a decimal
7.125
300
What is a variable?
a variable is any letter that is representing an unknown number.
400
Use a number line to show the answers. Why are the numbers the same? 3 - 5 3 + -5
-2. They are the same answer because the subtraction of a number is the same as adding the number's additive inverse.
400
Dariel has been catching Pokemon for the past 3 days. On day 1 he caught 5 Pokemon, on day 2 he lost 3 and then caught 7, and on day 3 he caught 6 more. How many Pokemon did he catch on AVERAGE for each day?
5 - 2 + 3 + 6 = 12 12/3= 4 He caught 4 Pokemon on average.
400
Expand the equation and tell me what property did you use? 2/3 (Y + 5)
2/3Y + 10/3. Distributive Property
400
Which numbers are rational? (There could be more than one.) 1. 0.444444.... 2. 30/5 3. 4.5813... 4. 1/8
1 2 and 3
400
What is additive inverse? Also give an example
two numbers that add up to 0. The numbers are opposites. example: 2 and -2
500
Solve using a number line. Also rewrite the equation using addition. 7 - (-3)= ___
The teacher will check the number line drawn correctly. 7 + 3 = 10 because two negatives make a positive.
500
Write a real world situation where you need to find the product of rational numbers.
The teacher will check the word problem.
500
Simplify and identify the properties you used. 2 (Y + 7) 3
Associative: (2 x 3) (Y + 7) = 6 (Y + 7) Commutative: 6 (Y + 7) = 6Y + 42
500
Find the average of the following numbers: -1/4, -3/4, 5/4, -7/4. You can write your answer as a fraction or decimal
-6/16 = -3/8 or 0.375
500
Define rational numbers.
Any number that can be written or expressed as a ratio/fraction.