easy Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [8] → [4, 4] → [3, _, _]

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Answer: Row3[2]=1, Row3[3]=3

SubType
number-pyramid
Difficulty
easy
Levels
  • [8]
  • [4,4]
  • [3,1,3]
Base
  • 3
  • 1
  • 3
TopValue
8
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":2,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 9] → [5, _, 2]

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Answer: Row2[1]=12, Row3[2]=7

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [12,9]
  • [5,7,2]
Base
  • 5
  • 7
  • 2
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [10] → [8, _] → [7, _, 1]

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Answer: Row2[2]=2, Row3[2]=1

SubType
number-pyramid
Difficulty
easy
Levels
  • [10]
  • [8,2]
  • [7,1,1]
Base
  • 7
  • 1
  • 1
TopValue
10
HiddenCells
  • {"r":1,"c":1,"v":2}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [3, 8] → [1, 2, _]

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Answer: Row1[1]=11, Row3[3]=6

SubType
number-pyramid
Difficulty
easy
Levels
  • [11]
  • [3,8]
  • [1,2,6]
Base
  • 1
  • 2
  • 6
TopValue
11
HiddenCells
  • {"r":0,"c":0,"v":11}
  • {"r":2,"c":2,"v":6}