starter Set 58 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 10] → [6, 5, _]

Show answer

Answer: Row1[1]=21, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [11,10]
  • [6,5,5]
Base
  • 6
  • 5
  • 5
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [19, 17] → [_, 10, _]

Show answer

Answer: Row3[3]=7, Row3[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [36]
  • [19,17]
  • [9,10,7]
Base
  • 9
  • 10
  • 7
TopValue
36
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 11] → [1, 6, 5]

Show answer

Answer: Row1[1]=18, Row2[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [7,11]
  • [1,6,5]
Base
  • 1
  • 6
  • 5
TopValue
18
HiddenCells
  • {"r":0,"c":0,"v":18}
  • {"r":1,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 11] → [4, 5, _]

Show answer

Answer: Row2[1]=9, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [9,11]
  • [4,5,6]
Base
  • 4
  • 5
  • 6
TopValue
20
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":2,"c":2,"v":6}