Each square in this rectangle equals 1 inch. How do you find the area?
a)
There are 7 rows and 8 columns, so you should add 7 + 8 to get 15 total blocks.
b)
There are 8 columns and 7 rows, so you should subtract 8 – 7 to get 1 rectangle
c)
. There are 7 rows and 8 columns, so you should multiply 7 × 8 to get 56 square inches
d)
D. There are 8 columns and 7 rows, and you add the 8 from top and bottom and the 7 from both sides to get 8 + 8 + 7 + 7 to get an area of 30.
3.
What does area mean?
a)
the distance around a shape
b)
half the distance around a shape
c)
the amount of space outside a shape
d)
the amount of space inside a shape
4.
Which shape has an area of 18?
a)
b)
c)
d)
5.
4. What is the area of the shaded portion?
a)
10 square units
b)
13 square units
c)
30 square units
d)
20 square units
6.
Lilly wants to find the area of this piece of glass using gray square tiles. Each tile has the area of 1 square unit. Which models show a way that Lily could find the area of the piece of glass?
a)
b)
c)
d)
7.
An artist paints a rectangular board using gray paint. Each square is 1 square foot. What is the area of the rectangle that the artist has painted gray?
a)
16
b)
20
c)
4
d)
5
8.
Vince says the area of this shape is 4 square units. Is Vince correct? Choose the best explanation!
a)
Yes, Vince is correct because I count four gray rectangles, so the area is four square units
b)
Yes, Vince is correct because he used four squares to fill in his shape, so the area is four square units.
c)
No, Vince is wrong because he used more than four square units to fill his shape.
d)
No, Vince is wrong because he used rectangles and not squares to fill his shape.
9.
When can we use area in real life?
a)
We can use area to find out how much fabric we need to make a blanket to fit on our bed.
b)
We can use area to find how much boarder we need to go around the outside of a bulletin board.
c)
We can use area to find out how much paint we need to cover a wall.
d)
We can use area to find out how much string we need to cut to make a bracelet for our wrist.
10.
What is the area of this shape?
a)
36
b)
36 square units
c)
32
d)
32 square units
11.
Which is a way to find area?
a)
Counting the square units inside a shape
b)
Counting the square units around the outside of a shape
12.
Which shape has an area of 30 square units?
a)
b)
c)
d)
แป้นคำตอบ
Counting squares to find area
คำถามทั้งหมด: 12
1.
d)
12 units squared
2.
c) . There are 7 rows and 8 columns, so you should multiply 7 × 8 to get 56 square inches
3.
d) the amount of space inside a shape
4.
a)
5.
c) 30 square units
6.
a) , d)
7.
b)
20
8.
d)
No, Vince is wrong because he used rectangles and not squares to fill his shape.
9.
a)
We can use area to find out how much fabric we need to make a blanket to fit on our bed.
, c)
We can use area to find out how much paint we need to cover a wall.