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Tricky Problems
100
Round the number below to the nearest 10 

 53

What is 50
100
There are 43 boys and 54 girls in third grade. How many students are in third grade?
What is 43 + 54 = 97 students
100
Solve the following multiplication facts 2×4=? 5×7=? 10×6=?
What is 8, 35, 60
100
Solve the following division facts 30÷5=? 16÷8=? 80÷10=?
What is 30÷5=6 16÷8=2 80÷10=8
100
Joe has 5 boxes of bananas. Each box has 8 bananas. How many bananas does Joe have in all?
What is 5 × 8 = 40 bananas
200
Round the number below to the nearest 100 

 379

What is 400
200
400 - 283
What is 400 – 283 = 117
200
Show one strategy to solve the following multiplication sentence 4 × 6 = 24
What is Array, Repeated Addition, Area model, Number Line, or Picture
200
Show one strategy to solve the following division sentence 21 ÷ 3 = 7
What is Repeated Subtraction, number line, or Sharing Model,
200
Ray is a basketball player. He scored 50 points in the season. The season is 10 games. How many points did Ray score each game?
What is 50÷10=5 points
300
Round the number below to the nearest 10 and 100 735
What is 740 (nearest 10) and 700 (nearest 100)
300
Mike used 173 pieces of paper. Kiyah only used 128 pieces of paper. How much more paper did Mike use than Kiyah?
What is 173 – 128 = 45 pieces of paper
300
What are two multiplication sentences that have a product of 20?
What is 5×4 and 10×2
300
What are two division sentences that have a quotient of 2?
What is 10÷5=2 and 18÷9=2 (example) Many possible answers
300
Belle, Henry, Jackie, Mary, and Marcus went to the fair. They each won 5 fish. How many fish did they win altogether?
What is 5 × 5 = 25 fish
400
Round (nearest 10) and estimate the numbers below. 363 + 527
What is 360 + 530= 890
400
681 + 321
What is 681 + 321 = 1,002
400
Find the missing number in the multiplication sentences. 7 × __ = 28 __ × 9 = 18
What is 7 × 4 = 28 2 × 9 = 18
400
Find the missing number in the division sentences. 25 ÷ __ = 5 __ ÷ 9 = 10
What is 25 ÷ _5_ = 5 _90_ ÷ 9 = 10
400
Alexis has 32 inches of string to make bracelets. Each bracelet needs four inches of string. How many bracelets can Alexis make?
What is 32÷ 4 = 8 bracelets
500
Write two numbers that would round to 370
What is 365, 366, 367, 368, 369, 371, 372, 373, 374
500
230 = ____ + 160
What is 230 – 160 = 70
500
Write a fact family using the following numbers 3, 5, 15
What is 3×5=15, 5×3=15, 15÷3=5, 15÷5=3
500
Write a fact family using the following numbers. 6, 7, 42
What is 6×7=42, 7×6=42, 42÷7=6, 42÷6=7
500
Will’s dad made 21 hotdogs for Will and his 6 friends. How many hotdogs did each child get?
What is Will’s dad made 21 hotdogs for Will and his 6 friends. How many hotdogs did each child get?