starter Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, _] → [2, 8, 7]

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Answer: Row1[1]=25, Row2[2]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [10,15]
  • [2,8,7]
Base
  • 2
  • 8
  • 7
TopValue
25
HiddenCells
  • {"r":0,"c":0,"v":25}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 10] → [_, 9, 1]

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Answer: Row2[1]=16, Row3[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [16,10]
  • [7,9,1]
Base
  • 7
  • 9
  • 1
TopValue
26
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 16] → [5, _, 10]

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Answer: Row1[1]=27, Row3[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [11,16]
  • [5,6,10]
Base
  • 5
  • 6
  • 10
TopValue
27
HiddenCells
  • {"r":0,"c":0,"v":27}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, _] → [8, 3, 1]

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Answer: Row2[1]=11, Row2[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [11,4]
  • [8,3,1]
Base
  • 8
  • 3
  • 1
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":1,"c":1,"v":4}