starter Set 93 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [12, _] → [_, 3, 8]

Show answer

Answer: Row3[1]=9, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [12,11]
  • [9,3,8]
Base
  • 9
  • 3
  • 8
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [9, _] → [_, 1, 6]

Show answer

Answer: Row3[1]=8, Row2[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [9,7]
  • [8,1,6]
Base
  • 8
  • 1
  • 6
TopValue
16
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":1,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [6, _] → [1, 5, _]

Show answer

Answer: Row3[3]=5, Row2[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [6,10]
  • [1,5,5]
Base
  • 1
  • 5
  • 5
TopValue
16
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"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): [20] → [_, _] → [10, 1, 8]

Show answer

Answer: Row2[2]=9, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [11,9]
  • [10,1,8]
Base
  • 10
  • 1
  • 8
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":1,"c":0,"v":11}