01:26

ELAPSED TIME

02:05

MAJOR BODIES

01:18

AREAS

01:04

ROUND OFF

01:22

FRACTIONS TO DECIMALS

01:07

SCIENTIFIC METHOD

02:17

CONTINENTS AND OCEANS

01:04

LANGUAGES

01:37

RIVERS

01:31

5 REGIONS

01:01

NEIGHBORS

02:08

ENERGY

01:05

FRICTION

01:35

FORCE

01:12

MOTION

00:50

FRACTIONS AND DIVISION

01:25

EQUIVALENT FRACTIONS

01:23

GREATER THAN

01:54

EXPLORERS

02:02

MALI

01:03

THEY BUILT

01:27

NON STANDARD

01:01

TO MEASURE

01:19

PROCESS SKILLS

01:25

SCIENTIFIC INVESTIGATION

01:39

SCIENCE TOOLS

01:10

PROBLEM SOLVING

01:15

COMPARE FRACTIONS

01:32

FRACTION MODELS

01:27

FRACTION DEFINITIONS

01:37

FACT FAMILIES × & ÷

01:13

FACT FAMILIES + & -

01:24

GREATER THAN

01:50

ROUNDING

01:29

PLACE VALUE