starter Set 88 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [13, _] → [_, 4, 9]

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Answer: Row3[1]=9, Row2[2]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [13,13]
  • [9,4,9]
Base
  • 9
  • 4
  • 9
TopValue
26
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [_, 3] → [9, _, 2]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [10,3]
  • [9,1,2]
Base
  • 9
  • 1
  • 2
TopValue
13
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":2,"c":1,"v":1}

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

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Answer: Row2[1]=10, Row1[1]=19

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [10,9]
  • [5,5,4]
Base
  • 5
  • 5
  • 4
TopValue
19
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":0,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, _] → [9, 3, 4]

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Answer: Row1[1]=19, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [12,7]
  • [9,3,4]
Base
  • 9
  • 3
  • 4
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"r":1,"c":1,"v":7}