starter Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 6] → [4, _, 1]

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Answer: Row2[1]=9, Row3[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [9,6]
  • [4,5,1]
Base
  • 4
  • 5
  • 1
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":2,"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): [_] → [4, _] → [1, 3, 6]

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Answer: Row2[2]=9, Row1[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [4,9]
  • [1,3,6]
Base
  • 1
  • 3
  • 6
TopValue
13
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":0,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, 10] → [_, 2, 8]

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Answer: Row2[1]=9, Row3[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [9,10]
  • [7,2,8]
Base
  • 7
  • 2
  • 8
TopValue
19
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"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): [32] → [14, 18] → [6, _, _]

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Answer: Row3[3]=10, Row3[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [14,18]
  • [6,8,10]
Base
  • 6
  • 8
  • 10
TopValue
32
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":2,"c":1,"v":8}