starter Set 69 Form Exercise

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

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Answer: Row2[1]=20, Row1[1]=35

SubType
number-pyramid
Difficulty
starter
Levels
  • [35]
  • [20,15]
  • [10,10,5]
Base
  • 10
  • 10
  • 5
TopValue
35
HiddenCells
  • {"r":1,"c":0,"v":20}
  • {"r":0,"c":0,"v":35}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 12] → [_, 9, 3]

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Answer: Row2[1]=14, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [14,12]
  • [5,9,3]
Base
  • 5
  • 9
  • 3
TopValue
26
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"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): [_] → [11, 9] → [9, _, 7]

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Answer: Row1[1]=20, Row3[2]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [9,2,7]
Base
  • 9
  • 2
  • 7
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, _] → [8, 5, 1]

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Answer: Row2[1]=13, Row2[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [13,6]
  • [8,5,1]
Base
  • 8
  • 5
  • 1
TopValue
19
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":1,"c":1,"v":6}