starter Set 26 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [11, 9] → [_, 1, _]

Show answer

Answer: Row3[3]=8, Row3[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [10,1,8]
Base
  • 10
  • 1
  • 8
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"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): [_] → [8, 14] → [4, 4, _]

Show answer

Answer: Row1[1]=22, Row3[3]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [8,14]
  • [4,4,10]
Base
  • 4
  • 4
  • 10
TopValue
22
HiddenCells
  • {"r":0,"c":0,"v":22}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 13] → [_, 10, 3]

Show answer

Answer: Row3[1]=2, Row1[1]=25

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [12,13]
  • [2,10,3]
Base
  • 2
  • 10
  • 3
TopValue
25
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":0,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [13, 12] → [_, _, 9]

Show answer

Answer: Row3[2]=3, Row3[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [13,12]
  • [10,3,9]
Base
  • 10
  • 3
  • 9
TopValue
25
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":2,"c":0,"v":10}