8.2 + (7.1 ÷ 5) ____ (7.1 ÷ 5) + 8.2
= (equal to)
the sum of one fourth and three fourths
1/4 + 3/4
14 - 2 x 7
0
Where does the parentheses go to make this statement true?
18 + 6 ÷ 3 = 8
(18 + 6) ÷ 3 = 8
Why is it important to know PEMDAS as a mathematician?
So everyone can solve every problem the same (correct) way.
Compare using <, >, or =.
8 x (41,516 - 987) ____ 41,516 - 987
> (greater than)
twice the difference of 10 and 2
(10-2) x 2
or 2 x (10-2)
49 ÷ (3+4) + 10
17
How many days are there 2024?
366
What is the saying we use to remember the correct Order of Operations?
Please Excuse My Dear Aunt Sally.
Compare using <, >, or =.
1/3 x (5,366 - 117) ____ 5,366 - 117
< (less than)
Add 49 to the quotient of 125 and 5
(125 ÷ 5) + 49
or
49 + (125 ÷ 5)
How many letters would you say if you sang the alphabet once forwards and once backwards?
52
Tell what 10 3 really means.
It means 10 x 10 x 10
Xavier bought 5 x (21/4+ 1/2 +27/8) yards of ribbon.
Sandy bought 5 x (21/4 +1/2 + 3) yards of ribbon. Without doing any calculations, determine who bought more ribbon. Explain.
Sandy bought more ribbon because she one of her addends are larger than Xavier's (3 is larger than 27/8 ) while all the other numbers are the same.
half the product of 5 and 20
1/2 x (5 x 20)
or
(5 x 20) x 1/2
11/2 + 3/4 - 1/3
19/12 or 13/4
What is 17.5 x 10-2?
0.175
The problem was 20 - 5 x 2 + 3. My answer was 33. What did I do wrong?
I went from left to right without using the correct order of operations.
Compare using <,>, or =.
15 x (3.6 +9.44) ___ (15 x 3.6) +(15 x 9.44)
Triple the difference between 44.75 and 22.8
1) Write the expression.
2) SOLVE.
1. 3 x (44.75-22.8)
2. 65.85
[87 − 30 ÷ 5] × 2 - 22
140
Spell this word correctly:
supercalifragilisticexpialidocious