MULTIPLICATION & DIVISION STRATEGIES
Solve: 6 × 7
42
Jay had 12 marbles. He found 8 more. How many marbles does he have now?
20 marbles
What fraction names 1 out of 2 equal parts?
1/2
Find the area of a rectangle with 3 rows and 5 columns.
15 square units
Find the perimeter of a rectangle with sides 4 and 6.
20 units
Round 46 to the nearest ten.
50
A classroom has 8 rows of desks with 7 desks in each row.
Then 12 more desks are added.
Part A:
How many desks were there before the extra desks were added?
Part B:
How many desks are there now?
Part C:
Explain which operation you used first and why.
Part A: 56 desks
Part B: 68 desks
Part C: Multiply first because there are equal groups, then add 12 more desks.
There are 8 rows with 5 chairs in each row. How many chairs are there?
40 chairs
There are 5 boxes with 6 crayons in each box. How many crayons are there total?
30 crayons
Which fraction is greater: 1/3 or 1/6?
1/3 > 1/6
A rectangle has a length of 6 and width of 4. What is the area?
24 square units
How many sides does a pentagon have?
5 sides
What is 356 + 278?
634
What is 56 ÷ 7?
8
Mia read 18 pages Monday and 25 pages Tuesday. Then she gave 6 pages to her friend. How many pages does she have left?
37 pages
How many equal parts are in the denominator of 5/8?
8 equal parts
True or False: Area tells how much space is inside a shape.
True
A square has side lengths of 8 units. What is the perimeter?
32 units
What is 701 − 248?
453
A teacher has 45 pencils and puts them equally into 5 cups. How many pencils go in each cup?
9 pencils
A bakery made 48 cookies. They packed 6 cookies into each bag. How many bags did they fill?
8 bags
A rectangle is split into 4 equal parts. 3 parts are shaded. What fraction is shaded?
3/4
A rectangle has 7 rows with 8 squares in each row. What is the area?
56 square units
True or False: Shapes with the same area always have the same perimeter.
False
Round 682 to the nearest hundred.
700
Solve: 8 × 9
Then explain a strategy you could use.
72 | break apart, repeated addition, arrays, distributive property
There are 7 buses with 9 students on each bus. Then 12 more students arrive. How many students are there total?
75 students
Are the fractions 4/12 and 1/3 equivalent to one another?
Yes
Explain why multiplication helps find area.
Multiplication combines equal rows/columns to find total square units.
A rectangle has side lengths of 9 and 3. What is the perimeter?
24 units
A number has 4 hundreds, 7 tens, and 2 ones. What number is it?
472