### Math Olympiad K1_19 on Day:.........Month:..........Year:...........

Total Core =

Question 1: If Y is a 1-digit number. What is the value of Y if the equation below is correct?

18 - Y = 10
Question 2: If Y is a 1-digit number. What is the value of Y if the equation below is correct?

20 - Y = 18
Question 3: If Y is a 1-digit number. What is the value of Y if the equation below is correct?

17 - Y = 10
Question 4: If Y is a 1-digit number. What is the value of Y if the equation below is correct?

16 - Y = 8
Question 5: Tom has 8 candies, Mary has 2 candies and John has 3 candies. Determine the Sum of their candies is odd or even
Question 6: Tong has 10 candies, Van has 5 candies and Usa has 3 candies. Determine the sum of their candies is odd or even?
Question 7: A duck has 2 legs. How many legs do 3 ducks have ?
Question 8: A duck has 2 legs. How many legs do 5 ducks have ?
Question 9: A cow has 4 legs. How many legs do 2 cows have ?
Question 10: A cow has 4 legs. How many legs do 4 cows have ?