Decimal Problems
10.022
15 minus the sum of 6 + 7. Do you add or subtract first? Why?
Add because I need to figure out the sum of 6 + 7 before I can subtract 15
What is the difference between buying 4 ducks for $3 each and buying 5 geese for $2 each?
$2
Which two terms in (3 + 14) + 27 could you add to get a multiple of ten?
27 + 3
What are the factors of the number 27?
1,3,9,27
3.100 - 1.534
1.566
Write an expression to represent 2 times the difference of 8 and 1.
2 x (8-1)
Which coordinate pairing does not fit the pattern?
(0,0) (1,3) (2,6) (3,9) (4,16) (5,15)
(4,16)
Which property does this represent?
(5+3) x 14
14 x (3+5)
Commutative property
List all of the factor pairs of 40
1 and 40, 2 and 20, 4 and 10, 5 and 8
1.05 x 0.7
0.735
What is the answer to the expression 15 divided by the sum of 4 and 1
3
School magnets cost $4, and shirts cost $8. Write a pattern for the costs of 0, 1, 2, 3, 4, and 5 magnets and a second pattern for the costs of 0, 1, 2, 3, 4, and 5 shirts. How do the corresponding terms of the two patterns compare?
magnets: 0, 4, 8, 12, 16, 20 and shirts: 0, 8, 16, 24, 32, 40; The term in the second pattern is always 2 times the corresponding term in the first pattern.
Does changing the expression from (5,123 + 70) + 200 to (70 + 200) + 5,123? Why or why not?
No because the order of the numbers doesn’t matter when adding.
T/F & Why?
23 chickens can be divided into equal groups.
False. 23 is a prime number and cannot be divided evenly
? x 5.2 = 36.4
7
Write numerical expressions for “the product of 3 and 2, plus 5” and “3 times the sum of 2 and 5.” Which expression has a greater value?
3 times the sum of 2 and 5
Explain how to write ordered pairs using the numbers in each pattern.
The first number is a term from the first pattern, and the second number is the corresponding term from the second pattern.
Use the distributive property to solve:
3(x+4)
3x+12
What is a prime number?
number who's factors are only 1 and itself
T/F & Why? What is the correct answer? 16.007 - 0.55 = 10.507
(Answers vary) False because 10.507 + 0.55 =11.057. The correct answer is 15.457.
Evan ran 3 miles each day for 7 days in a row. One day, he ran an extra 1/2 mile. What is the expression and answer?
(3 x 7) + 1/2 =21.5
Look at the following two number patterns.
Pattern A: 6, 5, 4, 3, 2, 1, 0
Pattern B: 24, 20, 16, 12, 8, 4, 0
What is the relationship between corresponding terms in the two patterns?
Each term in Pattern B is four times the corresponding term in Pattern A.
What are the order of operations
PEMDAS
Parentheses
Exponents
Multiplication/Division
Addition/subtraction
Lebron James is playing with blocks. He has 18 blocks and wants to make an array with the same number of blocks in each row. What are all the different ways he could arrange the blocks?
1x18 2x9 3x6 6x3 9x2 18x1