starter Set 88 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [8, 8] → [_, 7, _]

Show answer

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

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [9] → [_, 7] → [_, 1, 6]

Show answer

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

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [8, 12] → [_, 6, _]

Show answer

Answer: Row3[1]=2, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [8,12]
  • [2,6,6]
Base
  • 2
  • 6
  • 6
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 10] → [9, _, 8]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [11,10]
  • [9,2,8]
Base
  • 9
  • 2
  • 8
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":1,"c":0,"v":11}