starter Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [8, 15] → [_, 7, _]

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Answer: Row3[1]=1, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [8,15]
  • [1,7,8]
Base
  • 1
  • 7
  • 8
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, _] → [9, 4, 1]

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Answer: Row2[1]=13, Row2[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [13,5]
  • [9,4,1]
Base
  • 9
  • 4
  • 1
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":1,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 13] → [_, 4, 9]

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Answer: Row1[1]=23, Row3[1]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [10,13]
  • [6,4,9]
Base
  • 6
  • 4
  • 9
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"r":2,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, 13] → [4, _, 10]

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Answer: Row1[1]=20, Row3[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [7,13]
  • [4,3,10]
Base
  • 4
  • 3
  • 10
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":2,"c":1,"v":3}