starter Set 76 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [4, 10] → [3, _, _]

Show answer

Answer: Row3[3]=9, Row3[2]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [4,10]
  • [3,1,9]
Base
  • 3
  • 1
  • 9
TopValue
14
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [16, _] → [_, 10, 5]

Show answer

Answer: Row2[2]=15, Row3[1]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [16,15]
  • [6,10,5]
Base
  • 6
  • 10
  • 5
TopValue
31
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [7, 13] → [_, 3, _]

Show answer

Answer: Row3[1]=4, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [7,13]
  • [4,3,10]
Base
  • 4
  • 3
  • 10
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"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): [_] → [8, 9] → [_, 7, 2]

Show answer

Answer: Row1[1]=17, Row3[1]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [8,9]
  • [1,7,2]
Base
  • 1
  • 7
  • 2
TopValue
17
HiddenCells
  • {"r":0,"c":0,"v":17}
  • {"r":2,"c":0,"v":1}