Unknown Numbers with letters
8 + x = 48
What number does x represent?
x = 40
20 x = 40
The missing number is 2.
0 x 99 =
0
John makes an array using dimes. He makes 2 rows with 4 dimes in each row.
A) How many dimes did John use?
B) How much money did John use?
A) 8 Dimes
B) 80 cents
25 + n = 100
What does "n" equal?
n = 75
10 + = 55
The unknown number is 45
7 x 7 =
49
Marco plants 6 rows of trees with 4 in each row. Tom plants 7 rows of trees with 3 in each row. How many more trees did Marco plant?
Marco planted 24 trees
Tom planted 21 trees
Marco planted 3 more trees than Tom.
39 + r = 100
What does r represent?
r = 61
45 + = 95
The missing number is 50
8 x 7 =
56
Randi arranges 55 chairs in rows with 5 chairs in each row. How many rows of chairs did she make?
She made 11 rows of chairs.
25 x a = 150
a = 6
13 + = 96
The missing number is 83
11 x 9 =
Ken plants 13 rows of trees. He plants 3 trees in each row. How many trees does he plant?
He plants 39 trees!
58 + u = 94
u = 36
15 x = 90
The missing number is 6
11 x 12 =
132
Wendy arranges 42 stickers with 6 in each row. Raj arranges 63 stickers with 7 in each row. Who made more rows.
Raj made more rows
Raj made 9 rows
Wendy made 7 rows