starter Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, 16] → [_, 10, 6]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [12,16]
  • [2,10,6]
Base
  • 2
  • 10
  • 6
TopValue
28
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [7, _] → [3, _, 2]

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Answer: Row2[2]=6, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [7,6]
  • [3,4,2]
Base
  • 3
  • 4
  • 2
TopValue
13
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 15] → [_, 9, 6]

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Answer: Row1[1]=33, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [18,15]
  • [9,9,6]
Base
  • 9
  • 9
  • 6
TopValue
33
HiddenCells
  • {"r":0,"c":0,"v":33}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [11, 9] → [_, _, 4]

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Answer: Row3[1]=6, Row3[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [6,5,4]
Base
  • 6
  • 5
  • 4
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":2,"c":1,"v":5}