starter Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 17] → [4, 10, 7]

Show answer

Answer: Row1[1]=31, Row2[1]=14

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [14,17]
  • [4,10,7]
Base
  • 4
  • 10
  • 7
TopValue
31
HiddenCells
  • {"r":0,"c":0,"v":31}
  • {"r":1,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, 9] → [4, _, 6]

Show answer

Answer: Row3[2]=3, Row1[1]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [7,9]
  • [4,3,6]
Base
  • 4
  • 3
  • 6
TopValue
16
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":0,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, _] → [4, 1, 5]

Show answer

Answer: Row1[1]=11, Row2[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [5,6]
  • [4,1,5]
Base
  • 4
  • 1
  • 5
TopValue
11
HiddenCells
  • {"r":0,"c":0,"v":11}
  • {"r":1,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [6, 14] → [2, _, _]

Show answer

Answer: Row3[2]=4, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [6,14]
  • [2,4,10]
Base
  • 2
  • 4
  • 10
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":2,"v":10}