starter Set 83 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [15, 7] → [_, 6, _]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [15,7]
  • [9,6,1]
Base
  • 9
  • 6
  • 1
TopValue
22
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [_, 6] → [6, _, 4]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [8,6]
  • [6,2,4]
Base
  • 6
  • 2
  • 4
TopValue
14
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":1,"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): [36] → [20, 16] → [_, 10, _]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [36]
  • [20,16]
  • [10,10,6]
Base
  • 10
  • 10
  • 6
TopValue
36
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":2,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 14] → [7, 4, _]

Show answer

Answer: Row1[1]=25, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [11,14]
  • [7,4,10]
Base
  • 7
  • 4
  • 10
TopValue
25
HiddenCells
  • {"r":0,"c":0,"v":25}
  • {"r":2,"c":2,"v":10}