Waterfall Trivia Grade 7 Math Review Rules Questions
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Waterfall Trivia Grade 7 Math Review
Rules • • Questions come in rounds of 5. Turn in answers after a round. Each question will be shown for 2 minutes. Please use your notes! • Rounds 1 and 2: Questions worth 1 -5 points • Rounds 3 and 4: Questions worth 6 -10 points • Final round: Wager 1 -15 points
Round 1 Question 1 What is the slope of the line graphed below?
Round 1 Question 2 Find the two square roots of 144.
Round 1 Question 3 If A and B are supplementary, and m A = 57°, what is m B?
Round 1 Question 4 A bat and ball cost $1. 10. The bat costs one dollar more than the ball. How much does the ball cost?
Round 1 Question 5 Identify the type of transformation that maps the image to its preimage.
End of Round 1 • • • Q 1 answer: Q 2 answer: Q 3 answer: Q 4 answer: Q 5 answer: -3/2 12 and -12 123 o 5 cents reflection
Round 2 Question 1 What is the slope of a line that is perpendicular to the line that passes through the points (4, 7) and (9, 3)?
Round 2 • Question 2
Round 2 Question 3 What are the coordinates of the image of the point (9, 2) after a translation 10 units up followed by a reflection over the x-axis?
Round 2 Question 4 Solve: 4–x=x– 4
Round 2 Question 5 One leg of a right triangle measures 5 cm. The other leg measures 12 cm. What is the length of its hypotenuse?
End of Round 2 • • • Q 1 answer: Q 2 answer: Q 3 answer: Q 4 answer: Q 5 answer: 5/4 20 and 21 (9, -12) x=4 13 cm
Round 3 Question 1 Find the distance between the points (3, 5) and (4, 6) to the nearest tenth.
Round 3 Question 2 What is the equation of direct variation given that y is 16 when x is − 2?
Round 3 Question 3 What is the surface area of a beach ball with a 10 -in. radius?
Round 3 Question 4 Solve: 2 x = 5 + 3(x – 5)
Round 3 Question 5 How long can a whale go without eating?
End of Round 3 • • • Q 1 answer: Q 2 answer: Q 3 answer: Q 4 answer: Q 5 answer: 1. 4 units y = -8 x 400 in 2 x = 10 3 months
Round 4 Question 1 The name of a National Basketball Association team sounds like a car part. Identify the team and its city.
Round 4 Question 2
Round 4 Question 3
Round 4 Question 4 If today is Tuesday, what is the day after the day before tomorrow?
Round 4 Question 5
End of Round 4 • • • Q 1 answer: Q 2 answer: Q 3 answer: Q 4 answer: Q 5 answer: Detroit Pistons Tuesday
Final Round
Final Round Solution