starter Set 56 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [12, 10] → [_, _, 8]

Show answer

Answer: Row3[1]=10, Row3[2]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [12,10]
  • [10,2,8]
Base
  • 10
  • 2
  • 8
TopValue
22
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [9, _] → [5, 4, _]

Show answer

Answer: Row2[2]=9, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [9,9]
  • [5,4,5]
Base
  • 5
  • 4
  • 5
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"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): [_] → [11, 17] → [_, 7, 10]

Show answer

Answer: Row3[1]=4, Row1[1]=28

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [11,17]
  • [4,7,10]
Base
  • 4
  • 7
  • 10
TopValue
28
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":0,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 10] → [_, 5, 5]

Show answer

Answer: Row3[1]=8, Row1[1]=23

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [13,10]
  • [8,5,5]
Base
  • 8
  • 5
  • 5
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":0,"c":0,"v":23}