starter Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, _] → [8, 1, 3]

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Answer: Row2[2]=4, Row1[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [9,4]
  • [8,1,3]
Base
  • 8
  • 1
  • 3
TopValue
13
HiddenCells
  • {"r":1,"c":1,"v":4}
  • {"r":0,"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): [25] → [15, 10] → [_, _, 2]

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Answer: Row3[1]=7, Row3[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [15,10]
  • [7,8,2]
Base
  • 7
  • 8
  • 2
TopValue
25
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":2,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [12, 13] → [_, 7, _]

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Answer: Row3[1]=5, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [12,13]
  • [5,7,6]
Base
  • 5
  • 7
  • 6
TopValue
25
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [11, 15] → [4, _, _]

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Answer: Row3[3]=8, Row3[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [11,15]
  • [4,7,8]
Base
  • 4
  • 7
  • 8
TopValue
26
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":1,"v":7}