starter Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 9] → [_, 2, 7]

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Answer: Row3[1]=7, Row2[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [9,9]
  • [7,2,7]
Base
  • 7
  • 2
  • 7
TopValue
18
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":1,"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): [32] → [_, 18] → [_, 9, 9]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [14,18]
  • [5,9,9]
Base
  • 5
  • 9
  • 9
TopValue
32
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): [12] → [3, 9] → [_, _, 8]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [3,9]
  • [2,1,8]
Base
  • 2
  • 1
  • 8
TopValue
12
HiddenCells
  • {"r":2,"c":0,"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): [30] → [_, 16] → [7, _, 9]

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Answer: Row3[2]=7, Row2[1]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [14,16]
  • [7,7,9]
Base
  • 7
  • 7
  • 9
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":1,"c":0,"v":14}