starter Set 48 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [11, _] → [_, 3, 1]

Show answer

Answer: Row2[2]=4, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [11,4]
  • [8,3,1]
Base
  • 8
  • 3
  • 1
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":4}
  • {"r":2,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [12, _] → [3, _, 2]

Show answer

Answer: Row3[2]=9, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [12,11]
  • [3,9,2]
Base
  • 3
  • 9
  • 2
TopValue
23
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [16, _] → [7, 9, _]

Show answer

Answer: Row3[3]=7, Row2[2]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [16,16]
  • [7,9,7]
Base
  • 7
  • 9
  • 7
TopValue
32
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [_, 7] → [3, 1, _]

Show answer

Answer: Row2[1]=4, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [4,7]
  • [3,1,6]
Base
  • 3
  • 1
  • 6
TopValue
11
HiddenCells
  • {"r":1,"c":0,"v":4}
  • {"r":2,"c":2,"v":6}