starter Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 10] → [4, 9, _]

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Answer: Row3[3]=1, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [13,10]
  • [4,9,1]
Base
  • 4
  • 9
  • 1
TopValue
23
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"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] → [_, 17] → [3, 8, _]

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Answer: Row3[3]=9, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [11,17]
  • [3,8,9]
Base
  • 3
  • 8
  • 9
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [6, 6] → [3, _, 3]

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Answer: Row1[1]=12, Row3[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [6,6]
  • [3,3,3]
Base
  • 3
  • 3
  • 3
TopValue
12
HiddenCells
  • {"r":0,"c":0,"v":12}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [2, 10] → [1, 1, _]

Show answer

Answer: Row3[3]=9, Row1[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [2,10]
  • [1,1,9]
Base
  • 1
  • 1
  • 9
TopValue
12
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":0,"c":0,"v":12}