Math 3

sides and angles

10

how many sides and angles does an octagon have?

8

20

how many sides does a triangle and a hexagon have together?

9

30

how many sides does a decagon and a triangle have together?

13

40

how many more sides does a decagon have than a square?

6

50

how many more sides does a pentagon have than a triangle?

2

Add OR subtract

10

839 + 381

1220

20

728 - 283

445

30

379 + 1839

2218

40

2849 - 1738

1111

50

3718 + 1839

5557

add OR subtract other numbers

10

372 + 284

656

20

462 + 217

679

30

278 - 123

155

40

4729 + 2840

 7569

50

SUPER CHALLENGE 3X

27891 + 28462

56353

How many sets?

10

I have 4 sets of 2

8

20

I have 5 sets of 3

15

30

I have 6 sets of 4

24

40

I have 25 sets of 2

50

50

SUPER CHALLENGE 2X

I have 8 sets of 25

200

name this shape

10

10 sides

decagon

20

five sides and three sides

pentagon and a triangle

30

8 sides and four equal sides

octagon and square

40

3-d square

cube

50

challenge

20 sides

dodecagon