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KhanAcademyExercises

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New exercises from Khan Academy 2019-11-14T20:42:29.266846
Actualizado: hace 23 mins 30 segs

Answering questions about an informational text 2

Mié, 2019-10-09 22:09
Answering questions about a nonfiction text - 2nd grade

Word problems: Sum to n terms of an arithmetic progression

Mié, 2019-10-09 08:20
Let's solve some word problems where we find sum of n terms of an arithmetic progression

Compare decimal place value

Mié, 2019-10-09 01:42
Compare 2 numbers to thousandths based on meanings of the digits in each place.

2-step estimation word problems

Mar, 2019-10-08 19:32
Use estimation to solve multi-step word problems involving addition, subtraction, multiplication, and division.

Early Americas

Mar, 2019-10-08 16:20
Practice your skills with a quiz on early Americas!

Solving hard problems

Sáb, 2019-10-05 01:11
Check your understanding of when algorithms use heuristics and which problems are undecidable, in this set of free practice questions designed for AP Computer Science Principles students.

Volume of rectangular prisms with unit cubes

Vie, 2019-10-04 20:20
Find volume of rectangular prisms by counting unit cubes.

Compare areas by multiplying

Vie, 2019-10-04 20:19
Compare the areas of rectangles represented in images or contexts.

Find a missing side length when given area

Vie, 2019-10-04 20:19
Practice finding a missing side length on a rectangle when given the other side length and the area.

Find area by counting unit squares

Vie, 2019-10-04 20:18
Find the area of shapes by counting the unit squares inside them.

Find perimeter when given side lengths

Vie, 2019-10-04 20:17
Find perimeter of figures when given an image or context.  

Fractions as division word problems

Vie, 2019-10-04 20:16
Practice word problems that involve using the fraction bar as division.

Dividing unit fractions by whole numbers visually

Vie, 2019-10-04 20:16
Practice dividing unit fractions by whole numbers with visual models.

Area of rectangles with fraction side lengths

Vie, 2019-10-04 20:15
Practice computing the areas of rectangles that have fractional side lengths.

Multiply fractions and whole numbers visually

Vie, 2019-10-04 20:15
Use area models, number lines, and tape diagrams to multiply a whole number times a fraction.

Add and subtract mixed numbers with unlike denominators (regrouping)

Vie, 2019-10-04 20:14
Practice adding and subtracting mixed numbers with different denominators. Regrouping required.

Add and subtract mixed numbers with unlike denominators (no regrouping)

Vie, 2019-10-04 20:14
Practice adding and subtracting mixed numbers with different denominators. No regrouping required.

Add and subtract fractions

Vie, 2019-10-04 20:14
Challenge problems involving adding and subtracting fractions that have unlike denominators.

Subtracting fractions with unlike denominators

Vie, 2019-10-04 20:14
Practice subtracting fractions that have different denominators.

Multiply fractions and whole numbers word problems

Vie, 2019-10-04 20:12
Practice solving multiplication word problems that include whole numbers and fractions.

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