starter Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [10, 9] → [3, _, _]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [10,9]
  • [3,7,2]
Base
  • 3
  • 7
  • 2
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, 9] → [_, 3, 6]

Show answer

Answer: Row1[1]=16, Row3[1]=4

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [6, _] → [1, 5, _]

Show answer

Answer: Row2[2]=14, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [6,14]
  • [1,5,9]
Base
  • 1
  • 5
  • 9
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":14}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 16] → [8, 8, 8]

Show answer

Answer: Row2[1]=16, Row1[1]=32

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [16,16]
  • [8,8,8]
Base
  • 8
  • 8
  • 8
TopValue
32
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":0,"c":0,"v":32}