easy Set 18 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [3, _] → [2, 1, _]

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Answer: Row2[2]=9, Row3[3]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [12]
  • [3,9]
  • [2,1,8]
Base
  • 2
  • 1
  • 8
TopValue
12
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [13, _] → [4, _, 2]

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Answer: Row3[2]=9, Row2[2]=11

SubType
number-pyramid
Difficulty
easy
Levels
  • [24]
  • [13,11]
  • [4,9,2]
Base
  • 4
  • 9
  • 2
TopValue
24
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, 4] → [4, 1, _]

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Answer: Row3[3]=3, Row1[1]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [9]
  • [5,4]
  • [4,1,3]
Base
  • 4
  • 1
  • 3
TopValue
9
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":0,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 15] → [9, 10, 5]

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Answer: Row2[1]=19, Row1[1]=34

SubType
number-pyramid
Difficulty
easy
Levels
  • [34]
  • [19,15]
  • [9,10,5]
Base
  • 9
  • 10
  • 5
TopValue
34
HiddenCells
  • {"r":1,"c":0,"v":19}
  • {"r":0,"c":0,"v":34}