starter Set 32 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 18] → [_, 8, 10]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [13,18]
  • [5,8,10]
Base
  • 5
  • 8
  • 10
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 15] → [4, 5, 10]

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Answer: Row1[1]=24, Row2[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [9,15]
  • [4,5,10]
Base
  • 4
  • 5
  • 10
TopValue
24
HiddenCells
  • {"r":0,"c":0,"v":24}
  • {"r":1,"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): [30] → [17, 13] → [9, _, _]

Show answer

Answer: Row3[2]=8, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [17,13]
  • [9,8,5]
Base
  • 9
  • 8
  • 5
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"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): [_] → [12, _] → [4, 8, 4]

Show answer

Answer: Row1[1]=24, Row2[2]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [12,12]
  • [4,8,4]
Base
  • 4
  • 8
  • 4
TopValue
24
HiddenCells
  • {"r":0,"c":0,"v":24}
  • {"r":1,"c":1,"v":12}