Math 1A Singapore-Common Shapes-Chapter 7
Common Shapes
Basic Shapes:
1.
-This is a square.
-It is made up of 4
sides.
-All the sides are equal.
2.
-This is a triangle.
-It has 3 sides.
3.
-This is a circle.
-It is made up a curved
line.
4.
-This is a rectangle.
-It has 4 sides.
-Opposites sides are
equal.
1. Match the
shapes with figures.
⬛▲⚫ ▬
⚽ 🖃 🎬 🚩
Solution:
⬛à 🎬
▲à 🚩
⚫ à⚽
▬ à 🖃
2. Group these
shapes in different ways.
Solution:
(a) Group by shape: circles, squares, triangles and rectangles.
i. 🟢⚫🟡
ii. 🟩⬛🟨
iii. ▲▲▲
(b) Group by
size and color:
i. 🟢 🟩 ▲ ▬
ii. ⚫ ⬛▲ ▬
iii. 🟡 🟨 ▲ ▬
3. Are the holes of the same shape?
Are they of the same size?
(a)
|
▭ ▭
|
(b)
|
▲▲
|
(c)
|
▭▯
|
(d)
|
⬜ ⬜
|
Solution:
|
Same Shape
|
Same Size
|
(a)
|
Yes
|
No
|
(b)
|
Yes
|
No
|
(c)
|
Yes
|
Yes
|
(d)
|
Yes
|
Yes
|
4. These are patterns of shapes. What comes next in each
pattern?
(a)▮⬤▲▮⬤▲▮⬤
(b)▲▲▲▲▲▲
(c)▮▬▮▬▮
(d) ▲▼▲▼▲▼▲
Solution:
(a) ▲
(b) ▲
(c) ▬
(d) ▼
5. Pair up these pieces to form 3 (three) circles.
[Look at the below picture and get the solution]
6. Pair up these pieces to form a square and a triangle.
[Look at the below picture and get the solution]
7. Use the 4 pieces to form each of these shapes from (a) and
(b).
[Look at the below picture and get the solution]