Writing Expressions
Write an expression that represents:
The sum of 20 and 5
20 + 5
2 x (1 + 5) = ?
12
Compare the expressions using <, >, or =:
5 twelves ____ 8 twelves
<
Solve using standard algorithm:
19 x 8 =
152
Mohammed brought cupcakes for the class. Each box has 16 cupcakes. He has 3 boxes. How many cupcakes did he bring?
48 cupcakes
Write an expression that represents:
The product of 15 and 6
15 x 6 =
5 x (72 + 28) =
500
Compare the expressions using <, >, or =:
7 x 18 ____ (7 x 10) + (7 x 8)
Solve using standard algorithm:
14 x 17 =
238
Logan is buying things for us to use at recess. He bought 8 soccer balls for $3.70 each. How much did he spend?
$29.60
Write an expression that represents: 5 times the sum of 12 and 14
5 x (12 + 14)
3 x (25 - 3) = ?
66
Compare the expressions using <, >, or =:
35 x 8 __ 7 x (5 x 8)
=
Solve using standard algorithm:
32 x 58 =
1856
Marialys is at the store buying bananas. One banana costs $1.36. How much will it cost to buy 5 bananas?
The bananas will cost $6.80
Write an expression that represents: 8 times the difference of 18 and 10
8 x (18-10)
(5 x 8) + (3 x 8) =
64
40 x 16 ___ 45 sixteens - 3 sixteens
<
Solve using standard algorithm:
2.5 x 13
32.5
Owen is shopping for craft supplies. He bought 11 packs of markers for $3.50 each, and 24 rolls of tape for $1.50 each. How much did he spend in all?
$74.50
The sum of 5 fourteens and 7 fourteens
(5 x 14) + (7 x 14)
(12 x 11) - (3 x 11) =
99
Compare the expressions using <, >, or =:
36 x 33 ___ 2 twelves x 3 elevens
>
Solve using standard algorithm:
6.01 x 23 =
138.23
Louise is making bracelets. Each bracelet requires 2.1 yards of string.
At the craft store, string is sold by the foot. If Louise wants to make 15 bracelets, how many feet of string does she need to buy?
94.5 feet of string