Multiplication and Division
48 divided by 8
24 divided by 8
48 divided by 8 = 6
24 divided by 8 = 3
52 roundest to the nearest tens place is...
45 rounded to the nearest tens place is...
30 rounded to the nearest tens place is...
62 rounded to the nearest tens place it...
50
50
30
60
What's bigger a third or an eighth. How do you know?
Use greater than in your CAF
A third is greater than an eighth because it has bigger sized pieces. There are less pieces in the whole so each unit fraction is larger.
456 + ______ = 899
1,355
What is the area of a shape with a length of 6 and a width of 8?
48 SQ UNITS
4x50
200
156 rounded to the nearest hundred is 100
156 rounded to the nearest hundred is 200
332 rounded to the nearest hundred is 300
332 rounded to nearest hundred is 400
212 rounded to nearest hundred is 100
212 rounded to the nearest hundred is 200
156 rounded to the nearest hundred is 200
332 rounded to the nearest hundred is 300
212 rounded to the nearest hundred is 200
Put these fractions in order from least to greatest
1/2, 1/4, 1/8, 1/6, 1/3
1/8, 1/6, 1/4, 1/3, 1/2
_______ - 452 =259
711
The garden has a width of 8ft and the area is 72 sq feet. What is the length of the garden?
12 feet
There were 48 students in the 4th grade. They had to be split into 3 classrooms. How many students are in each classroom?
16 students in each classroom
What is 435 rounded to the nearest 10?
440
Ms.Mac ran a relay race. Her part of the race was from 2/6 to 4/6. How much of the race did Ms.Mac run?
Ms.Mac ran 2/6 I know because ...
671 - _____ = 456
195
The classroom is in the shape of a square. It has a width of 9 inches. What is the area of the classroom?
81 sq units
Ms.Mac has 8 boxes of pencils. In each box is 8 pencils. Then, a student broke 7 pencils. How many pencils does Ms.Mac have now?
(8x8)-7
64-7= 57
CAF: Ms.Mac has 57 pencils I know because (8x8)-7= 57.
What two fractions do not belong?
1/2 , 2/6 , 3/6 , 4/8 , 1/4 , 2/4 , 5/10
How do you know?
2/6
1/4
Ms. Johnston had 500 pencils and donated 325 to Ms. Mac because she had none.....
How many pencils does Ms. Johnston have left?
Ms. Johnston has 175 pencils left.
Which of these is equal to (4 x 7) + (3 x 4)?
A. 4 x 7 +3
B. 4 x 10
C. 16 x 10
D. 4 x 10 x 4
b. 4 x 10 because both of the equations are equal to 40
Keysi and John collected 5 buckets of rocks at recess. Each bucket had 80 rocks. How many rocks did they collect?
they collected 400 rocks at recess
Mario had 123 tulips, 456 roses and 167 peonies. Mario wants to know an estimate of how many flowers he has all together. About how many flowers does he have?
120 + 500 + 200 = 820
CAF: He has about 820 flowers. I know because...
Find an equivalent fraction to 2/8
Find an equivalent fraction to 2/6
1/4
1/3
Ms. Mac wanted to make 575 cookies for the bake sale. So far Ms. Rickard donated 273 and Ms. Newman donated 112. How many more cookies does Ms. Mac need to make to reach her goals?
Ms. Mac needs to make 190 cookies.
Choose 3 expressions below that are equal to the product of 3 and 7. Show your thinking for each of the choices below.
A. 7 x 3
B. (2 x 4) + (1 x 3)
C. 3 + (2 x 5)
D. (3 x 5) + (3 x 2)
E. 7 x (1 + 2)
A. 7 x 3
D. (3x5) + (3x2)
E. 7 x (1+2)