Addition
9+9 =
18
20-8=
12
There are 15 penguins on the ice, 4 penguins jumped in. How many penguins are on the ice now ?
11 penguins
What 3D shape has zero sides and vertices ?
Sphere
30 , 40 , ___, ____, 70
50, 60
Name a real life 3D shape ?
several answers ...........
18+5 =
23
17-4
13
Some penguins were on the ice , 8 more penguins joined them. Now there are 20 penguins on the ice. How many penguins were on the ice ?
12 penguins were on the ice.
What 3D shape looks like a can ?
A cylinder
4, 6, 8, 10, ____, 14 , ____
12, 16
How many minutes are in 1 hour ?
60 minutes
12 + 7 =
19
50 -20 =
30
Four penguins are on the ice and ten penguins are in the water. How many more penguins are in the water than on the ice ?
6 more
What shape has 8 sides ?
Octagon
_____, 115 , 116 , _____, _____
114, 117 , 118
How many months are in 1 year ?
12 months
15+23=
38
34-12=
22
Nine penguins were on the ice , Five more joined them but then three penguins jumped into the water. How many penguins are on the ice now ?
11 penguins
What shapes have four sides ?
square, rectangle , trapezoids and rhombus
110 , ____, 90 , ____
100, 80
The time is 12:30 pm. What will the time be 1 hour later ?
1:30 pm
65+24 =
89
100- 0 =
30
16 penguins are in the water , some jumped in. Now there are 11 penguins left. How many penguins jumped in ?
5 penguins jumped in.
How are 2D and 3D shapes different ?
2D shapes are flat and 3D shapes are solid and have faces, edges and vertices.
150 ,140, _____, 120, _____ , 100
130 , 110
Name two things we use math for in the real world ?
Ex: building a house, shopping , paying bills , knowing what time it is ... etc