starter 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): [_] → [12, 7] → [_, 2, 5]

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Answer: Row3[1]=10, Row1[1]=19

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [12,7]
  • [10,2,5]
Base
  • 10
  • 2
  • 5
TopValue
19
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":0,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [6, 5, 6]

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Answer: Row1[1]=22, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [11,11]
  • [6,5,6]
Base
  • 6
  • 5
  • 6
TopValue
22
HiddenCells
  • {"r":0,"c":0,"v":22}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [10, _] → [2, 8, _]

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Answer: Row2[2]=15, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [10,15]
  • [2,8,7]
Base
  • 2
  • 8
  • 7
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [_, 20] → [7, _, 10]

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Answer: Row2[1]=17, Row3[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [37]
  • [17,20]
  • [7,10,10]
Base
  • 7
  • 10
  • 10
TopValue
37
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":2,"c":1,"v":10}