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4th Grade CRT Math Prep Jeopardy Answer Key

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Fractions
#1 3/5 + 1/5 = 4/5
#2 10/2 - 2/2 = 8/2 or 4
#3 Convert the mixed number into a fraction: 3 + 3/4 15/4
#4 What is the equivalent fraction for 1/2? Please multiply the fraction by 3/3. 3/6
#5 Convert this fraction into a mixed number: 22/3 7 + 1/3
Word Problems
#1 There were 25 children in the class. 13 of the children were girls. How many children were boys? 12 boys
#2 A horse ate 25 more pounds of hay than the cow. The cow ate 11 pounds of hay. How many pounds did the horse eat? 36 pounds
#3 An elephant is 112 years younger than a turtle. The turtle was 123 years old. How old was the elephant? 11 years
#4 Steve had $297 in his wallet. If he bought a bike for $175, how much money did he have left? $122
#5 A woman starts without any flowers. She picks up 2 dozen roses. She sells 15 roses. How many roses does she end up with? 9 flowers
Ratios
#1 There were 5 girls for every 6 boys. girls/boys = 5/6
#2 Each cat holds 10 fleas. cat/fleas = 1/10
#3 There are 3 pencils for each student. If there are 25 students, how many pencils are there? pencil/student = 3/1 x 25/25 = 75/25 75 pencils
#4 The ratio of trees to birds is 3 to 8 trees/birds = 3/8
#5 There were 12 apples on each tree. There were 23 trees. How many apples were there? 12 x 23 = 276 apples
Area/Perimeter
#1 The length of garden is 10 feet and the width of the garden is 5 feet. What is the area? 50 square feet
#2 What is the perimeter of a rectangular garden that is 10 feet long and 5 feet wide? 30 feet
#3 What is the perimeter of a square where all sides are 12 inches long? 48 inches
#4 What is the area of a square where all sides are 15 inches long? 225 square inches
#5 Your family wants to build a rectangular swimming pool in the backyard. The total area is 225 square feet. The width is 9 feet. What is the length? You may use your calculator. 25 feet
Long Division and Double-Digit Multiplication
#1 235 divided by 5 47
#2 51 x 45 = 2295
#3 235 divided by 5 = 47
#4 824 x 36 = 29664
#5 68115 divided by 3 = 22705
Final Question