easy Set 90 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [_, _] → [2, 5, 1]

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Answer: Row2[1]=7, Row2[2]=6

SubType
number-pyramid
Difficulty
easy
Levels
  • [13]
  • [7,6]
  • [2,5,1]
Base
  • 2
  • 5
  • 1
TopValue
13
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":1,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 12] → [_, 9, 3]

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Answer: Row2[1]=14, Row3[1]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [26]
  • [14,12]
  • [5,9,3]
Base
  • 5
  • 9
  • 3
TopValue
26
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [6] → [4, 2] → [_, 1, _]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [6]
  • [4,2]
  • [3,1,1]
Base
  • 3
  • 1
  • 1
TopValue
6
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [3, 10] → [1, _, _]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [13]
  • [3,10]
  • [1,2,8]
Base
  • 1
  • 2
  • 8
TopValue
13
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":2,"c":2,"v":8}