Math Showdown Slides
Classroom Math Challenge
34 Questions • 17 Rounds
Math Showdown
Word problems, mental math, and arithmetic mastery. Lock in your choices before the hidden solution is revealed!
Multiple Choice A-D
Answers Hidden
Grab your whiteboards!
How Each Round Works
Class Rules
1
Solve Both
Each slide presents two challenge problems side-by-side.
Read carefully
2
Lock Answers
Commit to your options (e.g., Q1: B, Q2: B) before time expires.
Commit your pick
3
Reveal & Learn
Review the step-by-step arithmetic and tally your points.
Check your math
Round 1 begins now!
ROUND 01 • QUESTIONS 1 & 2 Choose A, B, C, or D
Question 1
I have 7 apples and ate 3. How many are left?
A 3 apples
B 4 apples
C 5 apples
D 10 apples
Question 2
A box has 6 pencils. I buy 2 more. How many pencils now?
A 7 pencils
B 8 pencils
C 9 pencils
D 12 pencils
Lock in both choicesReveal next
ROUND 01 • SOLUTIONS Answer Breakdown
Question 1 Solution
B 4 apples
7 - 3 = 4
Eating 3 apples removes them from the initial 7 apples. Subtraction gives 4 apples remaining.
Clue word: "ate" = subtract
Question 2 Solution
B 8 pencils
6 + 2 = 8
Buying 2 more adds to the 6 already in the box. 6 plus 2 gives 8 pencils in total.
Clue word: "buy more" = add
Round 1 CompleteNext: Questions 3 & 4
ROUND 02 • QUESTIONS 3 & 4 Choose A, B, C, or D
Question 3
Lyric has 9 candies. She gives 5 away. How many remain?
A 4 candies
B 5 candies
C 6 candies
D 14 candies
Question 4
Will had 17 balloons. 4 flew away. How many are left?
A 11 balloons
B 12 balloons
C 13 balloons
D 21 balloons
Lock in both choicesReveal next
ROUND 02 • SOLUTIONS Answer Breakdown
Question 3 Solution
A 4 candies
9 - 5 = 4
Lyric gives away 5 candies. 9 minus 5 leaves 4 candies.
Clue word: "gives away" = subtract
Question 4 Solution
C 13 balloons
17 - 4 = 13
4 balloons flew away from the 17. 17 minus 4 leaves 13 balloons.
Clue word: "flew away" = subtract
Round 2 CompleteNext: Questions 5 & 6
ROUND 03 • QUESTIONS 5 & 6 Choose A, B, C, or D
Question 5
Mr. Dee has 23 books and buys 13 more. How many books in total?
A 30 books
B 35 books
C 36 books
D 46 books
Question 6
A pizza has 20 slices. I eat 6. How many slices are left?
A 12 slices
B 14 slices
C 16 slices
D 26 slices
Lock in both choicesReveal next
ROUND 03 • SOLUTIONS Answer Breakdown
Question 5 Solution
C 36 books
23 + 13 = 36
23 books plus 13 books equals 36 books in total.
Clue word: "in total" = add
Question 6 Solution
B 14 slices
20 - 6 = 14
20 total slices minus 6 eaten slices equals 14 slices left.
Clue word: "left" = subtract
Round 3 CompleteNext: Questions 7 & 8
ROUND 04 • QUESTIONS 7 & 8 Choose A, B, C, or D
Question 7
A car has 4 wheels. How many wheels do 9 cars have?
A 13 wheels
B 32 wheels
C 36 wheels
D 40 wheels
Question 8
I see 7 cats. Each cat has 4 legs. How many legs total?
A 21 legs
B 24 legs
C 28 legs
D 32 legs
Lock in both choicesReveal next
ROUND 04 • SOLUTIONS Answer Breakdown
Question 7 Solution
C 36 wheels
9 × 4 = 36
9 cars with 4 wheels each requires multiplication: 9 times 4 equals 36 wheels.
Clue: equal groups = multiply
Question 8 Solution
C 28 legs
7 × 4 = 28
7 cats each having 4 legs: 7 times 4 equals 28 legs total.
Clue: "each has" = multiply
Round 4 CompleteNext: Questions 9 & 10
ROUND 05 • QUESTIONS 9 & 10 Choose A, B, C, or D
Question 9
A bag has 40 apples. I eat 11. How many are left?
A 28 apples
B 29 apples
C 31 apples
D 51 apples
Question 10
Jacoby had $27. He bought a toy for $9. How much left?
A $16
B $18
C $19
D $36
Lock in both choicesReveal next
ROUND 05 • SOLUTIONS Answer Breakdown
Question 9 Solution
B 29 apples
40 - 11 = 29
40 minus 10 is 30, and minus 1 more gives 29 apples left.
Clue: "eat / left" = subtract
Question 10 Solution
B $18
$27 - $9 = $18
Spending $9 reduces $27 down to $18 remaining.
Clue: "bought / left" = subtract
Round 5 CompleteNext: Questions 11 & 12
ROUND 06 • QUESTIONS 11 & 12 Choose A, B, C, or D
Question 11
A bus has 25 seats. 19 are filled. How many are empty?
A 5 seats
B 6 seats
C 7 seats
D 14 seats
Question 12
Mr. Hooper has 30 cows. He sells 12. How many cows remain?
A 16 cows
B 18 cows
C 22 cows
D 42 cows
Lock in both choicesReveal next
ROUND 06 • SOLUTIONS Answer Breakdown
Question 11 Solution
B 6 seats
25 - 19 = 6
25 total seats minus 19 filled seats leaves 6 empty seats.
Clue: finding difference = subtract
Question 12 Solution
B 18 cows
30 - 12 = 18
Selling 12 cows from 30 leaves 18 cows remaining.
Clue: "sells / remain" = subtract
Round 6 CompleteNext: Questions 13 & 14
ROUND 07 • QUESTIONS 13 & 14 Choose A, B, C, or D
Question 13
A box has 48 chocolates shared among 6 students. Each gets?
A 6 chocolates
B 7 chocolates
C 8 chocolates
D 9 chocolates
Question 14
A shop sold 35 pencils on Monday and 27 on Tuesday. How many in total?
A 52 pencils
B 61 pencils
C 62 pencils
D 72 pencils
Lock in both choicesReveal next
ROUND 07 • SOLUTIONS Answer Breakdown
Question 13 Solution
C 8 chocolates
48 ÷ 6 = 8
Sharing equally among 6 students means dividing: 48 divided by 6 is 8.
Clue: "shared among" = divide
Question 14 Solution
C 62 pencils
35 + 27 = 62
35 plus 27: 35 + 20 = 55, plus 7 = 62 pencils in total.
Clue: "in total" = add
Round 7 CompleteNext: Questions 15 & 16
ROUND 08 • QUESTIONS 15 & 16 Choose A, B, C, or D
Question 15
Julia has 132 candies. She gives them equally to 11 friends. Each gets?
A 11 candies
B 12 candies
C 13 candies
D 14 candies
Question 16
A basket has 36 bananas. If divided into 4 groups, each group has?
A 8 bananas
B 9 bananas
C 10 bananas
D 12 bananas
Lock in both choicesReveal next
ROUND 08 • SOLUTIONS Answer Breakdown
Question 15 Solution
B 12 candies
132 ÷ 11 = 12
132 divided equally among 11 friends equals 12 candies per friend (11 × 12 = 132).
Clue: "equally to" = divide
Question 16 Solution
B 9 bananas
36 ÷ 4 = 9
36 divided into 4 groups equals 9 bananas in each group.
Clue: "divided into" = divide
Round 8 CompleteNext: Questions 17 & 18
ROUND 09 • QUESTIONS 17 & 18 Choose A, B, C, or D
Question 17
A bottle has 800 ml of juice. I pour 300 ml out. How much left?
A 400 ml
B 500 ml
C 600 ml
D 1100 ml
Question 18
A pen costs $30. I buy 3 pens. How much do I spend?
A $60
B $80
C $90
D $120
Lock in both choicesReveal next
ROUND 09 • SOLUTIONS Answer Breakdown
Question 17 Solution
B 500 ml
800 - 300 = 500
Pouring out 300 ml removes liquid: 800 ml minus 300 ml leaves 500 ml.
Clue: "pour out / left" = subtract
Question 18 Solution
C $90
3 × $30 = $90
3 pens at $30 each: 3 times 30 equals $90 spent in total.
Clue: repeated cost = multiply
Round 9 CompleteNext: Questions 19 & 20
ROUND 10 • QUESTIONS 19 & 20 Choose A, B, C, or D
Question 19
A train has 120 seats. 86 are taken. How many free seats?
A 32 seats
B 34 seats
C 36 seats
D 44 seats
Question 20
Connor buys 3 shirts at $75 each. How much does he spend?
A $150
B $215
C $225
D $250
Lock in both choicesReveal next
ROUND 10 • SOLUTIONS Answer Breakdown
Question 19 Solution
B 34 seats
120 - 86 = 34
120 minus 80 = 40, and 40 minus 6 leaves 34 free seats.
Clue: "free seats" = subtract
Question 20 Solution
C $225
3 × $75 = $225
3 shirts at $75: 3 times 70 = 210, plus 3 times 5 = 15. Total is $225.
Clue: unit price × quantity
Round 10 CompleteNext: Questions 21 & 22
ROUND 11 • QUESTIONS 21 & 22 Choose A, B, C, or D
Question 21
A box has 96 marbles shared among 12 kids. Each gets?
A 6 marbles
B 7 marbles
C 8 marbles
D 9 marbles
Question 22
A bag has 550 candies. Issa eats 125. How many left?
A 415 candies
B 425 candies
C 435 candies
D 675 candies
Lock in both choicesReveal next
ROUND 11 • SOLUTIONS Answer Breakdown
Question 21 Solution
C 8 marbles
96 ÷ 12 = 8
96 divided equally among 12 kids equals 8 marbles each (12 × 8 = 96).
Clue: equal sharing = divide
Question 22 Solution
B 425 candies
550 - 125 = 425
550 minus 100 is 450, and 450 minus 25 leaves 425 candies.
Clue: "eats / left" = subtract
Round 11 CompleteNext: Questions 23 & 24
ROUND 12 • QUESTIONS 23 & 24 Choose A, B, C, or D
Question 23
The product of 18 and 5 is?
A 75
B 85
C 90
D 95
Question 24
Irie collects 72 eggs and packs them into boxes of 12. How many boxes?
A 5 boxes
B 6 boxes
C 7 boxes
D 8 boxes
Lock in both choicesReveal next
ROUND 12 • SOLUTIONS Answer Breakdown
Question 23 Solution
C 90
18 × 5 = 90
"Product" means multiply: 10 × 5 = 50, and 8 × 5 = 40. 50 + 40 = 90.
Clue: "product" = multiply
Question 24 Solution
B 6 boxes
72 ÷ 12 = 6
72 eggs divided into groups of 12: 72 divided by 12 equals 6 boxes.
Clue: grouping items = divide
Round 12 CompleteNext: Questions 25 & 26
ROUND 13 • QUESTIONS 25 & 26 Choose A, B, C, or D
Question 25
A number squared is 81. What is the number?
A 7
B 8
C 9
D 18
Question 26
A school has 360 students. Half are girls. How many are girls?
A 160 girls
B 175 girls
C 180 girls
D 190 girls
Lock in both choicesReveal next
ROUND 13 • SOLUTIONS Answer Breakdown
Question 25 Solution
C 9
9 × 9 = 81
A number squared means multiplying it by itself: 9 × 9 = 81, so √81 = 9.
Clue: square root of 81
Question 26 Solution
C 180 girls
360 ÷ 2 = 180
Half means dividing by 2: 360 divided by 2 equals 180 girls.
Clue: "half" = divide by 2
Round 13 CompleteNext: Questions 27 & 28
ROUND 14 • QUESTIONS 27 & 28 Choose A, B, C, or D
Question 27
A rope is 900 cm long. I cut it into 3 equal parts. Each part is?
A 250 cm
B 300 cm
C 350 cm
D 400 cm
Question 28
A store sold 145 books in Jan and 176 in Feb. How many in total?
A 311 books
B 320 books
C 321 books
D 331 books
Lock in both choicesReveal next
ROUND 14 • SOLUTIONS Answer Breakdown
Question 27 Solution
B 300 cm
900 ÷ 3 = 300
900 cm split into 3 equal pieces: 900 divided by 3 is 300 cm per piece.
Clue: equal cuts = divide
Question 28 Solution
C 321 books
145 + 176 = 321
145 + 176: (100+100) + (40+70) + (5+6) = 200 + 110 + 11 = 321 books.
Clue: "in total" = add
Round 14 CompleteNext: Questions 29 & 30
ROUND 15 • QUESTIONS 29 & 30 Choose A, B, C, or D
Question 29
The product of 125 and 8 is?
A 800
B 950
C 1000
D 1025
Question 30
A train travels 90 km in 3 hours. What is its speed per hour?
A 25 km/h
B 30 km/h
C 35 km/h
D 45 km/h
Lock in both choicesReveal next
ROUND 15 • SOLUTIONS Answer Breakdown
Question 29 Solution
C 1000
125 × 8 = 1000
Think in quarters: 125 × 4 = 500. Doubling that gives 500 × 2 = 1000.
Clue: landmark number 1000
Question 30 Solution
B 30 km/h
90 ÷ 3 = 30
Speed = distance ÷ time. 90 km divided by 3 hours equals 30 km per hour.
Clue: distance ÷ time = speed
Round 15 CompleteNext: Questions 31 & 32
ROUND 16 • QUESTIONS 31 & 32 Choose A, B, C, or D
Question 31
A box has 864 oranges divided into 12 crates. Each crate has?
A 68 oranges
B 72 oranges
C 74 oranges
D 82 oranges
Question 32
Multiply 48 × 25. What is the product?
A 1100
B 1150
C 1200
D 1250
Lock in both choicesReveal next
ROUND 16 • SOLUTIONS Answer Breakdown
Question 31 Solution
B 72 oranges
864 ÷ 12 = 72
864 ÷ 12: 12 × 70 = 840, leaving 24. 12 × 2 = 24. Total is 72 oranges.
Clue: long division
Question 32 Solution
C 1200
48 × 25 = 1200
Mental math trick: 48 × 25 = (48 ÷ 4) × 100 = 12 × 100 = 1200.
Clue: divide by 4, multiply 100
Round 16 CompleteNext: Questions 33 & 34
ROUND 17 • FINAL QUESTIONS 33 & 34 Championship Round
Question 33
If 15 × ? = 225, what is the missing number?
A 13
B 14
C 15
D 25
Question 34
A car travels 240 km in 4 hours. What is its speed per hour?
A 50 km/h
B 55 km/h
C 60 km/h
D 70 km/h
Lock in your final choices!Final reveal next
ROUND 17 • SOLUTIONS Final Solutions
Question 33 Solution
C 15
225 ÷ 15 = 15
15 is a perfect square: 15 × 15 = 225. Dividing 225 by 15 yields 15.
Clue: 15 squared = 225
Question 34 Solution
C 60 km/h
240 ÷ 4 = 60
Speed = 240 km ÷ 4 hours = 60 km per hour.
Clue: 24 ÷ 4 = 6, add zero
All 34 Questions Complete!Review scores next
Showdown Complete!
34 Questions Solved
30 - 34
Math Grandmaster
Extraordinary calculation accuracy across all arithmetic and word problems!
22 - 29
Math Champion
Impressive problem-solving, clue-word spotting, and mental arithmetic!
Under 22
Rising Solver
Valuable practice across 34 challenges—every mistake is a learning moment!
Debrief Discussion: Which problem had the trickiest clue word or calculation?
Great Job!