Mistake or Not?
Matthews problem was 4²+3x=12.
He solved it using these steps;
8+3x=12
3x=12-8
3x=4
x=4/3
What did he do wrong?
What is 4²?
Give the correct order of operations.
What is Grouping Symbols, Exponents, Multiplication/Division, Addition/Subtraction?
3 + 6 x 4
What is 27?
(14 + 6) x (12 -4) -9
What is 151?
The sum of 9 and 3 divided 3
What is ( 9 + 3) ÷ 3?
Austin's question was [5+(6*2)]2³-13.
His answer was 12.
What is the correct answer or what did he do wrong?
What is 123? or What is adding 2³ instead of multiplying?
The third step in the problem [4²(6÷3×2)]-8+4
What is 4²?
25 ÷ 5 -2
What is 3?
(15 - 5) x 10 + 3
What is 103?
On a coordinate grid, when I move vertical on the grid, I am moving along the ___ axis.
What is the y- axis?
Emma's question was [4²(6÷3×2)]-8+4.
Emma's answer was 60.
Was Emma correct or incorrect?
What is correct?
What is this called?
4 x (3 + 5)
What is numerical expression?
12 - 8 ÷ 2 + 3
6 x 8 + ( 7 - 6 )
8 x 6
What is 48?
The problem found on the wall was [12²+(3+14)]-7+3
Sophia's answer is 157.
Mistake or No Mistake?
What is no mistake?
If I have addition and subtraction in my expression, I should move from ______ ___ _______.
What is left to right?
20 ÷ (8-3) + 16
What is 20?
( 10 + 19 -5 ) x 2
9 x 8
What is 72?
Gary's problem was 20 - 5 x 2 + 3.
His answer was 33. What did Gary do wrong?
What is subtracting first?
Why is it important to know GEMDAS as a mathematician?
What is solving the problem the same way?
7 + 3 x (8 ÷ 4)
What is 13?
2 x ( 9 x 9 + 2) - 8
What is 158?
12²
What is 144?