Solve the expression --> 4 x 2 + 6
Solve the expression: 5[4+ (2x3)]
2x3=6
4+6=10
10X5 = 50
200
18 days
What is one step that you go "from left to right"?
*bonus 50 pts if you can name both*
multiplication and division
addition and subtraction
Solve the expression--> 3+4x 2
4x2= 8
3+8=11
What step would you do first: 9 x (4+7) -10 and why
(4+7) is first because it is in parenthesis
round this number to the underlined value: 342.8
340
There are 30 kids in a class, half of them are boys. One third of the boys are in after school activities. How many boys are in after school activities
30 / 2 = 15, 1/3 fo 15 is 5.
the answer is 5
What does the E in PEMDAS Stand for?
Exponents
Solve the expression: 7 + (10-3) x 2
21
Tell us the steps in order for the following expression:
4 x (6+3) + 3
First parenthesis: 6+3=9
Next multiply: 9 x 4 = 36
Last is add: 36 + 3=39
How would you read this number: 204.076
two hundred four AND seventy six thousandths
I have a 7 in the tens place. I have an even number in the ones place. I am lower than 74. What number am I?
72
Where do brackets [ ] fall in PEMDAS?
Parenthesis
Solve the expression: 4 + (9x2) -5
(9x 2) = 18
4+18=22
22-5=17
Solve the expression: (5x2)2 + 45
5x2=10
10x10=100
100+45=145
write the expression in a number sentence: the sum of 4 and 14
4 + 14
There are 235 books in a library. On Monday, 123 books are taken out. On Tuesday, 56 books are brought back. How many books are there now?
235-123=112
112+56=168 books
Inverse means Opposite... can you tell me the inverse operations for M, D, A, and S?
Inverse of Multiplication is division
Inverse of Division is multiplication
Inverse of addition is subtraction
Inverse of subtraction is addition
Solve the expression: (9x5) -30 + 10
(9x5) = 45
45-30= 15
15+10=25
Ryan argues that the answer to 4+5x6-3 is 51, explain his mistake?
Ryan added 4+5 first to get 9 then multiplied it by 6 to get 54 then subtracted 3. He should have multiplied 5 x 6 first, then added 30 + 4 - 3 to get 31
How would you write this expression in a number sentence:the sum of four and ten, doubled
2 x 4 + 10
Lana has 3 bags with the same amount of marbles in them, totaling 12 marbles. Markus has 3 bags with the same amount of marbles in them, totaling 18 marbles. How many more marbles does Markus have in each bag?
Lana has 4 marbles in each bag. I know this because 12 / 3 = 4.
Markus has 6 marbles in each bag. 18/3=6.
Markus has 2 more marbles in each bag.