starter Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [9] → [3, _] → [_, 2, 4]

Show answer

Answer: Row2[2]=6, Row3[1]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [9]
  • [3,6]
  • [1,2,4]
Base
  • 1
  • 2
  • 4
TopValue
9
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"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): [19] → [10, _] → [_, 6, 3]

Show answer

Answer: Row3[1]=4, Row2[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [10,9]
  • [4,6,3]
Base
  • 4
  • 6
  • 3
TopValue
19
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":1,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [5, _] → [1, 4, _]

Show answer

Answer: Row2[2]=6, Row3[3]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [11]
  • [5,6]
  • [1,4,2]
Base
  • 1
  • 4
  • 2
TopValue
11
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [_, 17] → [5, _, 10]

Show answer

Answer: Row2[1]=12, Row3[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [12,17]
  • [5,7,10]
Base
  • 5
  • 7
  • 10
TopValue
29
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":1,"v":7}