Trimester 1 Review - P1

Expanded to Standard Form

100

1,000 + 200 + 30 + 4 + .5

1234.5

200

2 hundreds, 3 tens, 5 ones, 6 tenths

235.6

300

300 + 40 + 7 + .9 + .07

347.97

400

5 thousands, 9 hundreds, 0 tens, 8 ones, 3 tenths

5,908.3

500

1,000 + 600 + 40 + 8 + .7

1,648.7

600

8 thousands, 0 hundreds, 5 tens, 2 ones, 3 tenths

8,052.3

Rounding Decimals

100

Round 2.61 to the nearest tenths place.

2.6

200

Round 4.92 to the nearest ones place.

5

300

Round .321 to the nearest hundredths place.

.32

400

Round $11.81 to the nearest one dollar.

$12.00

500

Round $42.89 to the nearest one dollar.

$43.00

600

Round $538.70 to the nearest ten dollars.

$540.00

Prime or Composite?

100

Which number is prime?

2, 4, 6

2

200

Which number is prime?

40, 41, 42

41

300

Which number is composite?

13, 31, 39

39

400

Which number is prime?

12, 15, 29

29

500

Which number is composite?

97, 83, 125

125

600

Which number is composite?

31, 41, 51

51

Listing Factor Pairs

100

List all factor pairs of 15.

(There are 2 pairs in total)

1, 15

3, 5

200

List all factor pairs of 46.

(There are 2 pairs in total)

1, 46

2, 23

300

List all factor pairs of 63.

(There are 3 pairs in total)

1, 63

3, 21

9, 7

400

List all factor pairs of 24.

(There are 4 pairs in total)

1, 24

2, 12

3, 8

4, 6

500

List all factor pairs of 48.

(There are 5 pairs in total)

1, 48

2, 24

3, 16

4, 12

6, 8

600

List all factor pairs of 148.

(There are 3 pairs in total)

1, 148

2, 74

4, 37

Prime Factorization

100

12

2 x 2 x 3

or 

2² x 3

200

16

2 x 2 x 2 x 2

or

2⁴

300

20

2 x 2 x 5

or

2² x 5

400

36

2 x 2 x 3 x 3

or

2² x 3²

500

42

2 x 3 x 7

600

96

2 x 2 x 2 x 2 x 2 x 3

or

2⁵ x 3

Order of Operations

100

9 ÷ 3 x 4

12

200

8 x 2 + 5 - 6

15

300

10 + 5 x (9 - 4)

35

400

10 x (6 + 3) ÷ 2

45

500

(5² - 3) + 7

29

600

2 x (3³ - 5 + 8) =

60