GEMDAS 1min
What do you complete first? (1st Step)
5 + 8 ÷ 4 (3 x 10) - 2
(3 x 10)
The local store has 7 containers with 14 apples in each container. If they sell 23 apples, write an equation to show, a, the number of apples they have left.
Answers may vary
(7x14)-23 =a
Solve. 50 ÷ (15 - 5) x 5 + 1
26
Where is the origin located on a coordinate grid
Where the x-axis and y-axis intersect
A pattern is always a multiplicative relationship because the y-coordinate is greater than the x-coordinate.
False
What do you complete 2nd? (2nd Step)
5 + 8 ÷ 4 (3 x 10) - 2
8 ÷ 4
Marcus completed 187 jumping jacks in 3 days. He completed 60 jumping jacks on each of the first 2 days, and j, number of jumping jacks on the third day. Which equation can be used to find j, the number of jumping jacks Marcus completed on the third day?
Answer may vary
j = 187 - (60 × 2)
Solve. 81 ÷ (2 × 6 − 3)
9
The x and the y used to plot a point is called...
ordered pair
See slide 18
A.
What does the first letter in GEMDAS stand for?
"Groups"
Mr. Fernandez packed 31 red apples and 41 green apples into a box for a customer. He packed 8 boxes like this. Write an equation to find x, the number of apples he packed in all the boxes.
Answers may vary
x = (31 + 41)8
Solve. 8 ÷ 2 x (6 + 1) - 3
25
Which axis is horizontal on the coordinate grid
x-axis
See slide 19
x + 2
What do you complete 4th? (4th Step)
5 + 8 ÷ 4 (3 x 10) - 2
add 5 + 60
Kenda earned a total of $625 selling jewelry.
She sold 7 necklaces for $55 each
She sold 8 rings
Each ring was sold for the same price
Write an equation to show r, the amount of money she earned for each ring sold.
r = [ 625 - (7 x 55)] ÷ 8
Solve. (3 − 3 + 2) × 2 - 1
3
Explain how to plot the order pair (1, 7)
1 unit to the right and 7 units up
The pattern in the ordered pairs below are additive because the x -coordinate pattern is increased by 3 to create the y-coordinate. (2, 5) 4, 7) (9, 12)
True
What do you complete 3rd? (3rd Step)
5 + 8 ÷ 4 (3 x 10) - 2
2(30) 2 times 30
Three friends rode their bikes last week.
Christine rode her bike 27 kilometers
Phillip rode his bike 12 kilimeters less than Christine
Nathan rode his bike 3 times as far as Phillip
Write an equation to represent n, the distance in km that Nathan rode his bike.
Answers may vary
(27-12) x 3 = n
Solve. 2.4[ 1.2 + 8 - (3 x 2)]
7.68
What is the ordered pair if the point is on the y-axis on the 5
(0, 5)
Slide 20
y= x + 4.2