Transcript Multiplication, Division, etc Review

Multiplication & Division etc. Review PowerPoint!
Remember to use your strategies on each problem.
Solve:
300 X 400= 120,000
60 X 80000= 4,800,000
110 X 2000= 220,000
Solve:
2400 / 80=
30
300 / 6=
50
49000/ 700= 70
Solve for the variable:
X=
12 + 12
x=
24
21=
7
m=
3
9c=
45
c=
5
X m
Solve for the variable:
120+ R = 157
R=
37
43= S + 22
S=
21
36/ 6 = t
t=
6
Sam went to the movies and purchased 3 boxes
of candy for $. 89. If she paid with a $5.00 bill,
how much change would she get back?
$2.33
Steve had 60 eggs. He wanted to share them
equally with his 10 friends. How many eggs
would each friend get?
60 / 10 = 6
Billy and Steve were selling
lemonade. Billy sold 73 glasses of
lemonade . Steve sold 93 glasses
of lemonade. How many more
glasses of lemonade did Steve sell
than Billy?
93-73 = 20
Write a story problem to go with the number
sentence below.
13 x 7
Sam had 13 pieces of pizza. She put 7 slices of pepperoni
on each slice. How many pieces of pepperoni did she put
on in all?
Write a story problem to go with the number
sentence below.
35 / 7 =
Billy had 35 pieces of candy. He wanted to share them
equally with his 7 friends. If he did, how much would
each friend get?
Circle the matching number sentence
Hint: Solve the problem first , find the missing members and plug in the
missing members!
45 + 23 =
45 -
= 23
23 – 45 =
+ 23 = 45
-23 = 45
Circle the matching number sentence
Hint: Solve the problem first , find the missing members and plug in the
missing members!
-18 = 23
23 - 18 =
– 23 = 18
+ 18 = 23
23 -
= 45
Circle the correct operation to match the story problem.
Sam purchased 5 pizzas. She then cut each pizza into 8
slices. How many slices were there altogether?
5+8=
40 / 8 =
8x5=
8 + 40 =
Hint: Underline Key Words
Circle the correct operation to match the story problem.
Bob weighed 76 pounds. Liam weighed 12 pounds more
than Bob. How much did Liam weigh?
76 – 12=
76 + 12 =
76 X 12 =
76 – 12 =
Divide:
Remember
Dad
Divide
Mom
Multiply
Sister
Subtract
Brother Bring Down
Rover
Repeat or Remainder
2
4 1 R. 1
Divide:
Remember
Dad
Divide
Mom
Multiply
Sister
Subtract
Brother Bring Down
Rover
Repeat or Remainder
9. 3
6
Divide:
Remember
Dad
Divide
Mom
Multiply
Sister
Subtract
Brother Bring Down
Rover
Repeat or Remainder
1318
Circle the correct operation to match the story problem.
Sandra made 34 necklaces. Tina made 23 necklaces. How
Many more necklaces did Sandra make than Tina?
34 / 23=
34 + 23 =
34 X 23 =
34 - 23 =
Solve for the shape below.
20
8
=
12
Solve for the shape below.
8
20
=
6
Pam went to the movies at 12:15. The movie was 2 and a ½ hours
long. What time did the movie end?
(Hint: use a number line)
1 hr
12:15
1hr
1:15
30min
2:15
2:45
David soccer practice ended at 7:30. The
practice was 3 and ¼ hours long. What time did
the practice begin?
(Hint: use a number line)
1 hr
7:30
1hr
6:30
1hr
5:30
15min
4:30
4:15
Which means the same as 3147?
o
o
o
o
2 thousands, 14 hundreds, 7 ones
3 thousands, 11 hundreds, 47 tens
3 thousands, 14 hundreds, 7 tens
2 thousands, 11 hundreds, 47 ones
Hint: Solve each problem with an addition sentence!
Hint: write the new number on top of the old number to compare!
4629
The value of 4329 would change by how
much if the 3 were replaced by 6?
o
o
o
o
3
30
300
3000
Hint: Use the Ballpark strategy!
Peter ate mini carrots for 8 minutes. If he ate
between 7 and 10 carrots per minute, how many
carrots could Peter have eaten?
o
o
o
o
50
65
82
45
56
80
7
10
X
X
8
HINT: do the subtraction first!
A vase was on Sale for $18.12. Mrs. Norcel bought it for
Ms. Strever. She paid with a $20 bill. ABOUT how much
change did she receive back?
o
o
o
o
A little less than $1
A little more than $1
A little less than $2
A little more than $2
20.00
-18.12
1.88
Hint: solve the actual problem and the estimate, then compare!
To estimate the sum of 876 + 897, Maria added
900 + 900. Will Maria’s ESTIMATE be more or
less than the ACTUAL?
o
o
o
o
More because both number rounded up
More because both number rounded down
Less because both number rounded up
Less because both number rounded down
Est imate
900
+900
Actual
876
+876
List all the factor pairs for the numbers below.
12: 1, 2, 3, 4, 6, 12
15: 1, 3, 5, 15
7:
1, 7
20: 1, 2, 4, 5, 10, 20
Explain what a prime number is.
List 4 numbers that are prime.
3, 5, 7, 11, 17, 23, 29
_____________________________________________
Explain what a prime number is.
A prime number is a number that has only two factors,
and they have to be different (one and another
factor).
EX: 7
1 x7
__________________________________________________
5
1 x5
Solve:
1
1
543
x 4
2172
5
2
294
x 6
1764
2
1
875
x 3
2625