starter Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [7, _] → [3, 4, _]

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Answer: Row2[2]=11, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [7,11]
  • [3,4,7]
Base
  • 3
  • 4
  • 7
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, _] → [7, 5, 7]

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Answer: Row2[2]=12, Row1[1]=24

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [12,12]
  • [7,5,7]
Base
  • 7
  • 5
  • 7
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":0,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 11] → [3, _, 4]

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Answer: Row2[1]=10, Row3[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [10,11]
  • [3,7,4]
Base
  • 3
  • 7
  • 4
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"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): [16] → [_, 8] → [4, _, 4]

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Answer: Row3[2]=4, Row2[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [8,8]
  • [4,4,4]
Base
  • 4
  • 4
  • 4
TopValue
16
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":1,"c":0,"v":8}