starter Set 60 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [_, 18] → [2, 10, _]

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Answer: Row3[3]=8, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [12,18]
  • [2,10,8]
Base
  • 2
  • 10
  • 8
TopValue
30
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"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): [20] → [8, 12] → [1, _, _]

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Answer: Row3[2]=7, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [8,12]
  • [1,7,5]
Base
  • 1
  • 7
  • 5
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 8] → [3, 2, 6]

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Answer: Row2[1]=5, Row1[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [5,8]
  • [3,2,6]
Base
  • 3
  • 2
  • 6
TopValue
13
HiddenCells
  • {"r":1,"c":0,"v":5}
  • {"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): [_] → [13, 8] → [6, _, 1]

Show answer

Answer: Row1[1]=21, Row3[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [13,8]
  • [6,7,1]
Base
  • 6
  • 7
  • 1
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":2,"c":1,"v":7}