Level 3 PSLE
A small circle with centre O has been cut from a circular piece of cardboard with the same centre. The radius of the small circle is 8 cm.
The remaining cardboard is then cut into four equal parts along the dotted lines as shown in Figure 1. The four parts are rearranged to form a new shape in Figure 2.
Find the area of the new shape.
Find the perimeter of the new shape. (Take π = 3.14)
Level 3 PSLE
A small circle with centre O has been cut from a circular piece of cardboard with the same centre. The radius of the small circle is 8 cm.
The remaining cardboard is then cut into four equal parts along the dotted lines as shown in Figure 1. The four parts are rearranged to form a new shape in Figure 2.
Find the area of the new shape.
Find the perimeter of the new shape. (Take π = 3.14)
Level 3
The length of a plank is 3 m 2 cm long. Annie cut the plank into 3 pieces. The length of the first piece of the plank is 50 cm. The length of the second piece of the plank is 1 m shorter than the third piece. What is the length of the third piece of plank?
Level 3
Tammy had 250 cm of ribbon. She used 180 cm of it to tie a present. She cut the rest of the ribbon equally into 10 shorter pieces. How long was each shorter piece of ribbon?
Level 3
Mr Lee had a piece of ribbon which was 2 m 85 cm long. He used 65 cm of the ribbon to tie a box of cupcakes and cut the remaining ribbon into 5 equal pieces. What was the length of each piece of ribbon?
