VOCABULARY Commutative propertyAssociative propertyIdentity propertyInverse operations

VOCABULARYAddendSumMinuendSubtrahend Difference

4.4A I CAN……… Add and Subtract Add and Subtract

whole numbers and whole numbers and decimals to the decimals to the hundredths place. hundredths place.

4.2D I CAN…… RoundRound whole numbers whole numbers

and decimals to a given and decimals to a given place value through the place value through the hundred thousands hundred thousands place. place.

BIG IDEA……Numbers have properties that make it simple to calculate results.There is more than one way to solve a math problem.

SEE VIDEO 2-1 FOR 2 Column notes

SEE VIDEO 2-2 FOR 2 Column notes

SEE VIDEO 2-3 FOR 2 Column notes

BIG IDEA……

A. Some word problems don’t have enough info to be solved.

B. Some word problems have too much info that doesn’t need to be used to solve the problem.

We do not know how many calories the apple has, so we can’t solve for how many calories Kayla had for lunch!!

BIG IDEA……A. Addition and Subtraction

are related to each other.They are inverse operations.

B. Addition and subtraction can be used to solve problems.

SEE VIDEO 2-6 and 2-7 FOR 2 Column notes

SEE VIDEO 2-8 FOR 2 Column Notes

BIG IDEA Decimals are added and

subtracted using the same rules as whole numbers.

Money can be represented using decimals.

SEE VIDEO 2-9 FOR 2 Column notes

BIG IDEA Using pictures helps

decide which operation is needed to write equations and solve real world problems.

SEE VIDEO 2-10 FOR 2 Column notes

Each day, Mikala sold the same number of tickets to the school play.On Monday she sold 4 tickets. How many tickets did she sell altogether in 5 days?

Julia spent $9.35 on popcorn and a drink at the movie theatre. She spent $8.00 on her movie ticket.The popcorn cost $5.65. How much was the cost of the drink?

Practice:

1.37-18 = ?

2.6 + 12 + 11 = ?