Addition & Subtraction
15+26
41
2 tens and 8 ones
28
- 4 equal sides
- opposite sides are parallel
- 4 right angles
Square
Nathan had a box of 12 crayon.He gave his sister 3 of them. How many crayons did Nathan still have left.
9 (12-3=9)
2+2
4
93+82
175
5 tens and 3 ones
53
- round
- no sides
- no angles
Circle
Yunus had 102 candy bars. He gave his friends 52. How many candy bars does Yunus have now?
50
90-37
53
23+7
30
9 tens and 9 ones
99
- 4 sides
- 4 vertices
- all sides have equal length
- opposite sides which are parallel
Rhombus
Hamdia has 6 friends, today she made 6 more friends. How many does she have now?
12
30-31
-1
50+51
101
7 tens and 13 ones
83
- 2 long sides
- 2 short sides
-4 right angles
Rectangle
Muhammad & Zumra have won 6 games and got 6 dollars each. If they won 321 more games throughout their lives. How many dollars would they each have in the end?
327 dollars
18 tens and 0 ones
180
277+19
296
12 tens and 7 ones
127
- 2 pairs of parallel sides
Parallelogram
Sam had 56 seashells, she went to the beach and found 11 more. When she got back home, she realised she had dropped some on the way back. Not she has a total of 42. How many seashells did Sam drop on her way home?
24 (56+11=66 , 66-42=24) or count up to 66 from 42
What is the difference between a square and a rhombus?
Answer will vary