Singapore Math Level 2A & 2B – Review 8: Lines, Surfaces, Shapes and Patterns - 20 Questions
Review 8: Lines, Surfaces, Shapes and Patterns
(1-6): Write the Name of the following shapes.
1. ◯
2. ◔
3. ◐
4. ▭
5. △
6. □
Answer(1-6):
1. circle
2. quarter circle
3. semicircle
4. rectangle
5. triangle
6. square
7. Look at the photo, fill in the blank and write the complete senntence.
Solution(7):
The figure above has 4 flat surfaces.
8. Fill in the blanks by observing the below image.
Solution(8):
There are 3 triangles, 1 semicircles, 2 rectangles, and 2 squares in the figure above.
(9-11): Complete the following patterns.
9. △△ ◯◯ □□ __△
10. □◺ □◸ ◹□ ◿□ □◺ __
11. ⇨⇧__ ⇨⇧⇦
Solution(9-11):
9. △△ ◯◯ □□ △△
10. □◺ □◸ ◹□ ◿□ □◺ □◸
11. ⇨⇧⇦ ⇨⇧⇦
(12-14): Draw dotted lines on each figure, and identify the shapes that form the figure.
Answer(12-14):
15. Fill in the balnks by counting lines and curves.
Ans: There are straight 5 lines and 5 curves in the above picture.
16. Fill in the blank by counting battery surfaces from the below picture.
Ans: The battery has 1 flat surface.
17. Look at the shape on the left. Draw the same shape on the square grid.
Solution(17):
The given picture and the drawn picture will be the same, so try it yourself.
18. Color the objects that have only flat surfaces.
Solution(18):
We have colored the book, rectangle and stamp because they have flat surfaces. Find the colored picture below.
(19-20): Carefully look at each shape on the left and draw the same shape.
Solution(19-20):
The given picture and the drawn picture will be the same, so try it yourself.
Also: