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Learn fourth grade math—arithmetic, measurement, geometry, fractions, and more. This course is aligned with Common Core standards.
- 4th Grade
Learn fourth grade math concepts including fractions,...
- 4th Grade
Learn fourth grade math concepts including fractions, decimals, geometry, and more with Khan Academy.
Worked example: Subtracting 3-digit numbers (regrouping twice) Using place value to add 3-digit numbers: part 1. Using place value to add 3-digit numbers: part 2. Adding 3-digit numbers. Multi-digit subtraction: 389,002-76,151. Relate place value to standard algorithm for multi-digit addition.
Here’s how: Take a full-length practice test on College Board’s site. Learn and practice your skills on Khan Academy. The inside scoop on the new digital SAT. Get a sneak peek into the new digital SAT. Learn more about the test format and the best way to prepare.
Area and perimeter | 4th grade | Math | Khan Academy. 14 units · 154 skills. Unit 1 Place value. Unit 2 Addition, subtraction, and estimation. Unit 3 Multiply by 1-digit numbers. Unit 4 Multiply by 2-digit numbers. Unit 5 Division.
Practice Test# 3 Make time to take the practice test. It is one of the best ways to get ready for the SAT. After you have taken the practice test, score it right away at sat.org/digital-practice. This version of the SAT Practice Test is for students who will be taking the digital SAT in nondigital format. 11111
Understand multiplying by a multiple of 10, 100, and 1000. Multiply 1-digit numbers by a multiple of 10, 100, and 1000. Multiply 3- and 4-digits by 1-digit with area models. Multiply 3- and 4-digits by 1-digit with distributive property. Estimate products (1-digit times 2, 3, and 4-digit) Unit 3. Unit 4.
