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): [20] → [10, _] → [2, 8, _]

Show answer

Answer: Row3[3]=2, Row2[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [10,10]
  • [2,8,2]
Base
  • 2
  • 8
  • 2
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":1,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, 19] → [5, 10, _]

Show answer

Answer: Row3[3]=9, Row2[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [15,19]
  • [5,10,9]
Base
  • 5
  • 10
  • 9
TopValue
34
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [14, _] → [8, _, 7]

Show answer

Answer: Row3[2]=6, Row2[2]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [14,13]
  • [8,6,7]
Base
  • 8
  • 6
  • 7
TopValue
27
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"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): [19] → [10, _] → [_, 2, 7]

Show answer

Answer: Row3[1]=8, Row2[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [10,9]
  • [8,2,7]
Base
  • 8
  • 2
  • 7
TopValue
19
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":1,"c":1,"v":9}