starter Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, _] → [7, 6, 1]

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Answer: Row1[1]=20, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [13,7]
  • [7,6,1]
Base
  • 7
  • 6
  • 1
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":1,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [11, _] → [2, _, 8]

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Answer: Row3[2]=9, Row2[2]=17

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, _] → [3, 7, 4]

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Answer: Row2[2]=11, Row1[1]=21

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [10,11]
  • [3,7,4]
Base
  • 3
  • 7
  • 4
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":0,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, 19] → [5, 9, _]

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Answer: Row1[1]=33, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [14,19]
  • [5,9,10]
Base
  • 5
  • 9
  • 10
TopValue
33
HiddenCells
  • {"r":0,"c":0,"v":33}
  • {"r":2,"c":2,"v":10}