starter Set 40 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [18, 12] → [8, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [18,12]
  • [8,10,2]
Base
  • 8
  • 10
  • 2
TopValue
30
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 13] → [_, 8, 5]

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Answer: Row1[1]=26, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [13,13]
  • [5,8,5]
Base
  • 5
  • 8
  • 5
TopValue
26
HiddenCells
  • {"r":0,"c":0,"v":26}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [7, _] → [_, 4, 8]

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Answer: Row2[2]=12, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [7,12]
  • [3,4,8]
Base
  • 3
  • 4
  • 8
TopValue
19
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, _] → [10, 2, 9]

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Answer: Row2[2]=11, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [12,11]
  • [10,2,9]
Base
  • 10
  • 2
  • 9
TopValue
23
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":1,"c":0,"v":12}