starter Set 23 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 10] → [_, 1, 9]

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Answer: Row3[1]=7, Row2[1]=8

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 3] → [7, _, 2]

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Answer: Row3[2]=1, Row1[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [8,3]
  • [7,1,2]
Base
  • 7
  • 1
  • 2
TopValue
11
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":0,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 9] → [_, 5, 4]

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Answer: Row2[1]=9, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [9,9]
  • [4,5,4]
Base
  • 4
  • 5
  • 4
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [13, _] → [4, _, 2]

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Answer: Row3[2]=9, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [13,11]
  • [4,9,2]
Base
  • 4
  • 9
  • 2
TopValue
24
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":1,"v":11}