Mathematics Chapter 3 - Addition

MathematicsChapter 9 –

ReviewT.Smita

Learning objective

✘ To review the topics from previous lessons.

✘ Practice word problems involving combined operation.

2

PEMDASP Parentheses 10 × (4 + 2) = 10 × 6 = 60

E Exponents 5 + 2² = 5 + 4 = 9

M Multiplication 10 - 4 × 2 = 10 - 8 = 2

D Division 10 + 6 ÷ 2 = 10 + 3 = 13

A Addition 10 × 4 + 7 = 40 + 7 = 47

S Subtraction 10 ÷ 2 - 3 = 5 - 3 = 2

Place value

1. 96

2. 70

3. 12 495

4. 478 912

5. 1 278 964

Reading numbers✘ 32 101

✘ 465 187

✘ 560 008

✘ 643 209

✘ 89 001

5

Expanded Form21, 483

20,000 + 1000 + 400 + 80 + 3

6

Comparing numbers

7

89312

90543

10036

3128

8935

90527

10041

5992

Ascending Order and Descending Order?

8

Word problemTim buys three 6-packs of apple juice boxes and five 4-packs of cranberry juice boxes for his party. Write an expression to match the words.

Word problemThe classroom has 12 chairs on the right side of the room, 15 chairs on the left, and 9 chairs stacked in the back. Mrs. Kim wants to divide the chairs evenly into 3 groups. Which expression represents the situation?

Word problemHolden had 3 packs of baseball cards with 6 cards in each pack. He gives his friend Clay 4 cards. Which shows one way to find the number of cards Holden has left?

Thank you and have a nice day☺

T.Smita