starter Set 99 Form Exercise

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

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Answer: Row2[1]=17, Row1[1]=33

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [17,16]
  • [9,8,8]
Base
  • 9
  • 8
  • 8
TopValue
33
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":0,"c":0,"v":33}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 12] → [6, _, 7]

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Answer: Row1[1]=23, Row3[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [11,12]
  • [6,5,7]
Base
  • 6
  • 5
  • 7
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, _] → [10, 3, 2]

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Answer: Row2[2]=5, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [13,5]
  • [10,3,2]
Base
  • 10
  • 3
  • 2
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":5}
  • {"r":1,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, 4] → [_, 3, 1]

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Answer: Row1[1]=13, Row3[1]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [9,4]
  • [6,3,1]
Base
  • 6
  • 3
  • 1
TopValue
13
HiddenCells
  • {"r":0,"c":0,"v":13}
  • {"r":2,"c":0,"v":6}