starter Set 17 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, 15] → [_, 7, 8]

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Answer: Row3[1]=6, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [13,15]
  • [6,7,8]
Base
  • 6
  • 7
  • 8
TopValue
28
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"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): [27] → [15, _] → [10, 5, _]

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Answer: Row2[2]=12, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [15,12]
  • [10,5,7]
Base
  • 10
  • 5
  • 7
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [13, 15] → [7, _, _]

Show answer

Answer: Row3[3]=9, Row3[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [13,15]
  • [7,6,9]
Base
  • 7
  • 6
  • 9
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 13] → [_, 8, 5]

Show answer

Answer: Row2[1]=13, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [13,13]
  • [5,8,5]
Base
  • 5
  • 8
  • 5
TopValue
26
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":2,"c":0,"v":5}