starter Set 36 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 11] → [7, _, 10]

Show answer

Answer: Row1[1]=19, Row3[2]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [8,11]
  • [7,1,10]
Base
  • 7
  • 1
  • 10
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"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): [31] → [_, _] → [8, 8, 7]

Show answer

Answer: Row2[1]=16, Row2[2]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [16,15]
  • [8,8,7]
Base
  • 8
  • 8
  • 7
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, _] → [6, 3, 7]

Show answer

Answer: Row2[1]=9, Row2[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [9,10]
  • [6,3,7]
Base
  • 6
  • 3
  • 7
TopValue
19
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"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): [35] → [_, 17] → [9, 9, _]

Show answer

Answer: Row2[1]=18, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [35]
  • [18,17]
  • [9,9,8]
Base
  • 9
  • 9
  • 8
TopValue
35
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":2,"c":2,"v":8}