The World of 3-D

Math using 3-Dimensional Shapes

There are 3 cubes, 2 pyramids, 4 cylinders, 2 cones, and 2 rectangular

prisms.

How many cones, cylinders, and cubes are there all together?

Hint• There are _____ cones

• There are _____ cylinders

• There are _____ cubes

Answer• There are 2 cones

• There are 4 cylinders

• There are 3 cubes

2+ 4+ 3

--------9

There are 9 shapes total.

The boys have 9 balls out on the field. Two of the balls are hit over the fence.

How many balls do the boys have left?

Hint

Answer

There are 7 balls left.

9-2

--------7

There are 4 teams playing football on the field when the ice cream man comes by.

One of the parents wants to buy ice cream cones for everyone.

How many ice cream cones will the parent need to buy if each team has 2 players?

HintTeam 1 Team 2 Team 3 Team 4

AnswerTeam 1 Team 2 Team 3 Team 4

The parent will have to buy 8 ice cream cones.

Mrs. Smith went to the store and bought 15 cans of food. There are 3 people she is giving the cans to. Each person

gets the same amount of cans.

How many cans will each person get?

Hint

Person 1 Person 2 Person 3

Answer

Person 1 Person 2 Person 3

Each person will get 5 cans of food.

• M1G1. Students will study and create various two and three-dimensional figures and identify basic figures (squares, circles, triangles, and rectangles) within them.

• b. Build, represent, name, and describe cylinders, cones, and rectangular prisms.

• M1N3. Students will add and subtract numbers less than 100, as well as understand and use the inverse relationship between addition and subtraction.

• c. Compose/decompose numbers up to 10 (e. g. 3+5=8, 8=5+2+1).

• d. Understand a variety of situations to which subtraction may apply: taking away from a set, comparing two sets, and determining how many more or how many less.

• e. Understand addition and subtraction number combinations using strategies such as counting on, counting back, doubles and making tens.

• f. Know the single-digit addition facts to 18 and corresponding subtraction facts with understanding and fluency.

Standards