starter Set 58 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [9, 5] → [5, _, _]

Show answer

Answer: Row3[2]=4, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [9,5]
  • [5,4,1]
Base
  • 5
  • 4
  • 1
TopValue
14
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"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): [18] → [9, _] → [1, 8, _]

Show answer

Answer: Row3[3]=1, Row2[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [9,9]
  • [1,8,1]
Base
  • 1
  • 8
  • 1
TopValue
18
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":1,"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): [25] → [12, _] → [_, 5, 8]

Show answer

Answer: Row3[1]=7, Row2[2]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [12,13]
  • [7,5,8]
Base
  • 7
  • 5
  • 8
TopValue
25
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 14] → [2, 10, 4]

Show answer

Answer: Row1[1]=26, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [12,14]
  • [2,10,4]
Base
  • 2
  • 10
  • 4
TopValue
26
HiddenCells
  • {"r":0,"c":0,"v":26}
  • {"r":1,"c":0,"v":12}