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): [19] → [13, _] → [8, 5, _]

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Answer: Row2[2]=6, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [13,6]
  • [8,5,1]
Base
  • 8
  • 5
  • 1
TopValue
19
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [17, _] → [8, _, 6]

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Answer: Row2[2]=15, Row3[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [17,15]
  • [8,9,6]
Base
  • 8
  • 9
  • 6
TopValue
32
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [12, 18] → [4, _, _]

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Answer: Row3[2]=8, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [12,18]
  • [4,8,10]
Base
  • 4
  • 8
  • 10
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 10] → [4, _, 4]

Show answer

Answer: Row3[2]=6, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [4,6,4]
Base
  • 4
  • 6
  • 4
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":1,"c":0,"v":10}