starter Set 82 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [16, _] → [_, 9, 1]

Show answer

Answer: Row2[2]=10, Row3[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [16,10]
  • [7,9,1]
Base
  • 7
  • 9
  • 1
TopValue
26
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":2,"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): [11] → [3, 8] → [_, _, 6]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [3,8]
  • [1,2,6]
Base
  • 1
  • 2
  • 6
TopValue
11
HiddenCells
  • {"r":2,"c":1,"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): [30] → [12, 18] → [_, 8, _]

Show answer

Answer: Row3[3]=10, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [12,18]
  • [4,8,10]
Base
  • 4
  • 8
  • 10
TopValue
30
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 17] → [3, 9, 8]

Show answer

Answer: Row2[1]=12, Row1[1]=29

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [12,17]
  • [3,9,8]
Base
  • 3
  • 9
  • 8
TopValue
29
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":0,"c":0,"v":29}