starter Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 15] → [5, 5, _]

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Answer: Row3[3]=10, Row1[1]=25

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [10,15]
  • [5,5,10]
Base
  • 5
  • 5
  • 10
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":0,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 8] → [_, 7, 1]

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Answer: Row1[1]=18, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [10,8]
  • [3,7,1]
Base
  • 3
  • 7
  • 1
TopValue
18
HiddenCells
  • {"r":0,"c":0,"v":18}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [14, _] → [7, _, 5]

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Answer: Row2[2]=12, Row3[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [14,12]
  • [7,7,5]
Base
  • 7
  • 7
  • 5
TopValue
26
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"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): [_] → [_, 5] → [1, 2, 3]

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Answer: Row1[1]=8, Row2[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [8]
  • [3,5]
  • [1,2,3]
Base
  • 1
  • 2
  • 3
TopValue
8
HiddenCells
  • {"r":0,"c":0,"v":8}
  • {"r":1,"c":0,"v":3}