starter Set 57 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 11] → [6, _, 1]

Show answer

Answer: Row3[2]=10, Row2[1]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [16,11]
  • [6,10,1]
Base
  • 6
  • 10
  • 1
TopValue
27
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":1,"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): [_] → [8, 6] → [7, _, 5]

Show answer

Answer: Row1[1]=14, Row3[2]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [8,6]
  • [7,1,5]
Base
  • 7
  • 1
  • 5
TopValue
14
HiddenCells
  • {"r":0,"c":0,"v":14}
  • {"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): [34] → [15, 19] → [_, _, 9]

Show answer

Answer: Row3[2]=10, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [15,19]
  • [5,10,9]
Base
  • 5
  • 10
  • 9
TopValue
34
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"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): [22] → [_, 12] → [4, 6, _]

Show answer

Answer: Row2[1]=10, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [10,12]
  • [4,6,6]
Base
  • 4
  • 6
  • 6
TopValue
22
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":2,"c":2,"v":6}