3rd Grade Math and Science

2nd 9 WeeksOverview

Unit 2: Addition,

Subtraction, and

perimeter: finding

missing sides, word

problems

Estimating Sums and Differences

Randy drove 311 miles on Tuesday. He drove 589 miles on Wednesday. What is the best estimate of the total number of miles did Randy drove?

Mary read 878 pages. Bob read 123 pages. About how many more pages did Mary read than Bob?

Addition- 3-digit addition, some will practice 4-digit

Is the number sentence true or false? Choose a strategy to show your work.

725 + 110 = 835 O True O False

Subtraction- 3-digit subtraction, some will practice 4-digit

Is the number sentence true or false? Choose a strategy to show your work.

640 - 129 = 529 O True O False

Perimeter

The total perimeter is 145 meters. What is the lengthof the missing side?

25 m

48 m

40 m

___ m

2-Step Word Problems (involving all 4 operations)

• Sally had 3 six-packs of cokes. Ten people came to the party and each person drank 1 coke. How many cokes does Sally have left?

Unit 3:

Multiplication and

Division

Multiplication Models• Array 2X3=6

• Equal Groups 2X3=6

• Repeated Addition 2+2+2=6

• Equal Jumps on a Number Line

Division Models

• Sharing 20÷4=

• Partitioning: John had 24 marbles and put 6 in each bag. How many bags does he need? 24÷6= ___

Fact Families

• 3, 4, 12- 3x4=12- 4x3=12- 12÷4=3- 12÷3=4

• Why are they important?- Solving missing factor problems 3 X __ =12- Using the inverse to check- Relationship between Multiplication and Division

Part A, Part B Questions• Part A: Billy is having a birthday party at his house next

week! Including Billy, there will be 24 people at the party. He wants everyone to have a slice of pizza. If each pizza has 8 slices, how many whole pizzas will his mother need to buy?

• Part B: Billy’s mother is worried that one slice will not be enough for everyone at the party. She has decided that everyone will want two slices. How many whole pizzas will Billy’s mother have to buy for everyone to have two slices?

3rd Grade ScienceSecond Nine Weeks

Science: States of Matter

• A power point with vocabulary and important notes will be sent home

• nonfiction text reading and writings done weekly in class for test grades

• non-fiction cold reads related to the unit for daily grades

• content specific questions• in class portfolio

Things in the Student Binder To Help Your Child:-- Vocabulary --

Matter Weight Volume Property Mass

--Notes-- Power point slides on one piece of paper

Objects and Materials: Properties of Matter and

Physical Changes