Word Problems
Jaxson has 30 pieces of candy. He gives half to his brother. After this, he eats 3 pieces. How much candy is left?
Create and solve an equation.
30/ 2-3 or (30/2)-3
15-3
12
(20 + 12) ÷ 4
(20 + 12) ÷ 4
32 ÷ 4
8
50 + 6 × 11 - 4
50 + 6 × 11 - 4
50 + 66 - 4
116 - 4
112
What is a prime number
a number with only 2 factors. One and itself
Geronimo earns $5 for
each car he washes and $8
for each lawn he mows. He
washes 5 cars and mows 6
lawns. He is saving to buy a
bike that is $100. Write an
expression to show how much
more money he needs to earn
to buy the bike. Solve.
$27
Rachel and a group of 19 friends go trick or treating. Half of the group decides to stay at the Johnson's party. Five new friends to go trick or treating with the rest of the group. How many people are now trick or treating?
Create an equation and solve it.
[(1 + 19)/ 2] + 5
[ 20 / 2] + 5
10 + 5
15 people are now trick or treating.
7 × 2 − (9 + 2) + 14
7 × 2 − (9 + 2) + 14
7 x 2 - 11 + 14
14 - 11 + 14
3 + 14
17
50 + 6 × (11 − 4)
50 + 6 × (11 − 4)
50 + 6 x 7
50 + 42
92
A number with 3 or more factors
An expression is given.
3 × (6 + 4) ÷ 2
Which statement is true about the parenthesis in this expression?
A) The parentheses indicate that 6 + 4 should be solved first.
B) The parentheses indicate that 6 + 4 should be solved last.
C) The parentheses indicate that 4 ÷ 2 should be solved last.
D) The parentheses indicate that 3 × 6 should be solved first.
A.
Landon has 56 toy cars. He gives his friend Chris 38 of them. Channing then gives Landon 109 toy cars. Landon lost 7 of his favorite toy cars. How many toy cars does he now have?
(56-38) + 109 - 7
18 + 109 -7
127 - 7
120
(6 ÷ 3 + 5) × (11 − 4)
(6 ÷ 3 + 5) × (11 − 4)
( 2 + 5) x 7
7 x 7
49
9 × (12 − 8) + 28 ÷ 7
9 × (12 − 8) + 28 ÷ 7
9 x 4 + 28 ÷ 7
36 + 4
40
is 51 prime or composite. why?
Composite! It can be divided by 3!
Lucas added 28 to the product of 184 and 37. What is the sum?
6836
The quotient of 49 and 7 is subtracted from 190 and added to 23.
Write and solve the equation.
190- (49 / 7) + 23
190 - 7 + 23
183 + 23
206
[48 − (17 − 9 − 5)] × 4
[48 − (17 − 9 − 5)] × 4
[ 48 - 3] x 4
45 x 4
180
6 + [(21 − 17) × 12]
6 + [(21 − 17) × 12]
6+ [4 x 12]
6+ 48
54
Which list shows only prime numbers?
A. 2, 5, 7, 14
B. 11, 17, 27, 31
C. 13, 23, 37, 47
D. 15, 19, 29, 33
C
Sarah and her 4 friends
are buying pizza for the
graduation ceremony. The
large pizzas cost $10, and the
medium pizzas cost $6. They
bought 4 large pizzas and 5
medium pizzas. Write an
expression to show how much
they will each pay, if they
split it evenly. Solve.
$14
The quotient of 9 and 3 is subtracted from the product of 10 and 8.
Write and solve the equation.
(10 x 8 ) - (9 /3)
80 - 3
77
32 × 2 − [39 − (21 − 11 − 5)]
32 × 2 − [39 − (21 − 11 − 5)]
32 x 2 - [ 39 - 5]
32 x 2 - 34
64 - 34
30
70 − [(23 − 12) × 5] ÷ (14 − 9)
70 − [(23 − 12) × 5] ÷ (14 − 9)
70-[ 11 x 5] ÷ 5
70- 55 ÷5
70-11
59
Which of the following is NOT a prime number? Why?
A. 17
B. 13
C. 29
D. 27
D. 27. 9x3 is 27
Cade solved an expression. He asked another student to check his work. She told him that his solution was incorrect. Where did Cade go wrong? What should the answer be?
[200 – (4 + 6) × 4] ÷ 4
[200 – 10 × 4] ÷ 4 STEP 1
[190 × 4] ÷ 4 STEP 2
760 ÷ 4 STEP 3
190 STEP 4
He subtracted 200-10 before 10x4. It should be 40.