Value of
the Placeholder
the Placeholder
55 + 21 = ?
? = 76
15 - ? = 4
Fifteen minus a number is equal to four.
A number divided by two is equal to seven.
? ÷ 2 = 7
n - 6 = 13
n = 19
n x 2 = 14
n = 7
43 - 20 = ?
? = 23
7 x ? = 28
Seven times a number is equal to twenty-eight.
Fifteen minus a number is equal to three.
15 - ? = 3
15 + n = 45
n = 30
63 ÷ n = 7
n = 9
8 x ? = 24
? = 3
? x 9 = 45
A number times 9 is equal to forty-five.
Nine plus a number is equal to thirty-seven.
9 + ? = 37
256 = 300 - n
n = 44
n = 8
55 ÷ 11 = ?
? = 5
12 ÷ ? = 2
Twelve divided by a number is equal to two.
A number plus itself is equal to fifty.
? + ? = 50
67 = 15 + n
n = 52
n ÷ 7 = 3
n = 21
8.5 - ? = 6.3
? = 2.2
100 x 6 - ? = 599
One hundred times six minus a number is equal to five hundred ninety-nine.
Twelve minus twice a number is equal to eight.
12 - (2 x ?) = 8
12 - (? + ?) = 8
8.5 + n = 17
n = 8.5
y/8 = 5
y = 40