Here are some great resources for test preparation. Being familiar and comfortable with test questions prior to taking the test will relieve test anxiety and allow your child/teen to score higher.
Official SAT Test site. This site offers practice tests as well as registration.
Free SAT practice tests for Reading, Writing, and Math
This site has official SAT practice tests from past years.
More Free SAT Practice Test
ACT official website with practice questions and registration information
Free ACT Practice Tests as well as test overview, dates, registration, scores, and study tips.
Full length ACT practice Tests
This has 3 full-length CBEST math practice tests as well as essay writing tips.
This site also has full length CBEST practice tests.
This site offers free practice questions with explanations.
This site provides free CBEST practice tests (Math, Reading, and Writing) as well as study questions searchable by category, ie measurement, charts, and problem solving.
This site provides self assessment modules in a variety of categories including: geometry, fractions, exponents, basic algebra, advanced algebra, reading vocabulary, grammar, nouns, reading for main idea, etc.
Free math ASVAB practice questions. This site gives you a choice to do the quizzes and then see the answers.
This site includes 5 practice tests for reading and math ASVAB portions.
This site offers an ASVAB practice test as well knowledge about the army, help with college and more.