starter Set 98 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [15, _] → [9, 6, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [15,9]
  • [9,6,3]
Base
  • 9
  • 6
  • 3
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":1,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, _] → [4, 9, 5]

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Answer: Row2[2]=14, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [13,14]
  • [4,9,5]
Base
  • 4
  • 9
  • 5
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":14}
  • {"r":1,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 14] → [8, 5, 9]

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Answer: Row1[1]=27, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [13,14]
  • [8,5,9]
Base
  • 8
  • 5
  • 9
TopValue
27
HiddenCells
  • {"r":0,"c":0,"v":27}
  • {"r":1,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [14, 14] → [8, _, _]

Show answer

Answer: Row3[3]=8, Row3[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [14,14]
  • [8,6,8]
Base
  • 8
  • 6
  • 8
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":1,"v":6}