starter Set 50 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [15, _] → [_, 10, 8]

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Answer: Row3[1]=5, Row2[2]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [15,18]
  • [5,10,8]
Base
  • 5
  • 10
  • 8
TopValue
33
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":1,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 15] → [_, 5, 10]

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Answer: Row3[1]=3, Row1[1]=23

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [8,15]
  • [3,5,10]
Base
  • 3
  • 5
  • 10
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":0,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 11] → [_, 3, 8]

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Answer: Row3[1]=7, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [10,11]
  • [7,3,8]
Base
  • 7
  • 3
  • 8
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [9, 16] → [_, _, 8]

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Answer: Row3[1]=1, Row3[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [9,16]
  • [1,8,8]
Base
  • 1
  • 8
  • 8
TopValue
25
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":2,"c":1,"v":8}