In search of unfastened content material that’s aligned for your requirements? You’ve come to the fitting position!
As a nonprofit, Khan Academy has hundreds of unfastened movies, articles, and apply questions for almost each and every ordinary. No commercials, no subscriptions – simply click on underneath to get began!
Operations and Algebraic Considering
- Constitute and clear up issues involving addition and subtraction.
- 1 Use addition and subtraction to unravel phrase issues inside of 20 by way of the usage of concrete items, drawings, and equations with a logo for the unknown quantity to constitute the issue.
- Upload inside of 10
- Addition phrase issues of footage – sums as much as 10
- Addition phrase issues – sums as much as 10
- Addition sentences for phrase issues – sums as much as 10
Upload inside of 20 - Addition phrase issues – sums as much as 20
- Addition sentences for phrase issues – sums as much as 20
Subtract inside of 10 - Subtraction phrase issues of footage – as much as 10
- Subtraction phrase issues – as much as 10
- Subtraction sentences for phrase issues – as much as 10
Subtract inside of 20 - Subtraction phrase issues – as much as 20
- Subtraction sentences for phrase issues – as much as 20
Blended operations - Phrase issues involving addition and subtraction – as much as 20
- Upload inside of 10
1.a: Upload to with trade unknown to unravel phrase issues inside of 20.
1.b: Take from with trade unknown to unravel phrase issues inside of 20.
1.c: Put in combination/take aside with addend unknown to unravel phrase issues inside of 20.
1.d: Examine amounts, with distinction unknown, larger unknown, and smaller unknown whilst fixing phrase issues inside of 20.
- 1 Use addition and subtraction to unravel phrase issues inside of 20 by way of the usage of concrete items, drawings, and equations with a logo for the unknown quantity to constitute the issue.
- 2 Clear up phrase issues that decision for addition of 3 complete numbers whose sum is lower than or equivalent to twenty by way of the usage of concrete items, drawings, or equations with a logo for the unknown quantity to constitute the issue.
- Perceive and practice houses of operations and the connection between addition and subtraction.
3 Follow houses of operations as methods so as to add and subtract. - 4 Give an explanation for subtraction as an unknown-addend drawback.
- Upload and subtract inside of 20.
5 Relate counting to addition and subtraction.
Addition - Subtraction
- Subtraction sentences the usage of quantity traces – as much as 10
- Subtraction sentences the usage of quantity traces – as much as 20
- Subtract by way of counting again – as much as 10
- Subtract by way of counting again – as much as 20
- Subtract by way of depending on – as much as 10
- Subtract by way of depending on – as much as 20
- 6 Upload and subtract inside of 20.
Addition ability developers - Addition methods
- Upload inside of 20
- Subtraction ability developers
- Subtraction methods
- Subtract inside of 20
- Relate addition and subtraction
- Blended operations
- 6.a: Reveal fluency with addition and subtraction info with sums or variations to ten by way of depending on.
- 6.b: Reveal fluency with addition and subtraction info with sums or variations to ten by way of making ten.
- 6.c: Reveal fluency with addition and subtraction info with sums or variations to ten by way of decomposing a host resulting in a 10.
6.d: Reveal fluency with addition and subtraction info with sums or variations to ten by way of the usage of the connection between addition and subtraction. - 6.e: Reveal fluency with addition and subtraction info with sums or variations to ten by way of developing similar however more uncomplicated or identified sums.
Addition - Subtraction
- Paintings with addition and subtraction equations.
- 7 Give an explanation for that the equivalent signal approach “the similar as.” Resolve whether or not equations involving addition and subtraction are true or false.
Addition - Subtraction
- Blended operations
- 8 Clear up for the unknown complete quantity in more than a few positions in an addition or subtraction equation, bearing on 3 complete numbers that might make it true.
Addition equations - Subtraction equations
- Perceive easy patterns.
9 Reproduce, prolong, and create patterns and sequences of numbers the usage of plenty of fabrics.
Repeating patterns - Rising patterns
Operations with Numbers: Base Ten
- Lengthen the counting series.
10 Lengthen the quantity series from 0 to 120.
- 10.a: Depend ahead and backward by way of ones, beginning at any quantity lower than 120.
- 10.b: Learn numerals from 0 to 120.
- Writing numbers in phrases – convert digits to phrases
10.c: Write numerals from 0 to 120. - Writing numbers in phrases – convert phrases to digits
10.d: Constitute numerous items from 0 to 120 with a written numeral.
- Perceive position price.
11 Give an explanation for that the 2 digits of a two-digit quantity constitute quantities of tens and ones.- Counting tens and ones – as much as 99
- Hundred chart
- Position price fashions as much as 100
- Write numbers as tens and ones
- 12 Examine pairs of two-digit numbers in response to the values of the tens and ones digits, recording the result of comparisons with the symbols >, =, and < and orally with the phrases “is bigger than,” “is the same as,” and “is lower than.”
- 13 Upload inside of 100, the usage of concrete fashions or drawings and techniques in response to position price.
- 13.a: Upload a two-digit quantity and a one-digit quantity.
Upload a two-digit and a one-digit quantity- Use fashions so as to add a two-digit and a one-digit quantity – with out regrouping
- Upload a one-digit quantity to a two-digit quantity – with out regrouping
- Use fashions so as to add a two-digit and a one-digit quantity – with regrouping
- Upload a one-digit quantity to a two-digit quantity – with regrouping
- Upload a a couple of of ten and a one-digit quantity
- 13.b: Upload a two-digit quantity and a a couple of of 10.
- 13.c: Reveal that during including two-digit numbers, tens are added to tens, ones are added to ones, and from time to time it will be significant to compose a 10.
- 13.d: Relate the tactic for including a two-digit quantity and a one-digit quantity to a written means and provide an explanation for the reasoning used.
- 13.a: Upload a two-digit quantity and a one-digit quantity.
- 14 Given a two-digit quantity, mentally in finding 10 extra or 10 lower than the quantity with no need to depend, and provide an explanation for the reasoning used.
- 15 Subtract multiples of 10 from multiples of 10 within the vary 10-90 (certain or 0 variations), the usage of concrete fashions or drawings and techniques in response to position price, houses of operations, and/or the connection between addition and subtraction. Relate the option to a written means and provide an explanation for the reasoning used.
Information Research
- Accumulate and analyze knowledge and interpret effects.
- 16 Arrange, constitute, and interpret knowledge with as much as 3 classes.
- 16.a: Ask and solution questions in regards to the general choice of knowledge issues in arranged knowledge.
- 16.b: Summarize knowledge on Venn diagrams, pictographs, and “yes-no” charts the usage of actual items, symbolic representations, or pictorial representations.
- 16.c: Resolve “what number of” in each and every class the usage of as much as 3 classes of knowledge.
- 16.d: Resolve “what number of extra” or “what number of much less” are in a single class than in every other the usage of knowledge arranged into two or 3 classes.
Dimension
- Describe and evaluate measurable attributes.
17 Order 3 items by way of duration; evaluate the lengths of 2 items not directly by way of the usage of a 3rd object. - 18 Resolve the duration of an object the usage of non-standard devices and not using a gaps or overlaps, expressing the duration of the thing with a complete quantity.
- Paintings with money and time.
19 Inform and write time to the hours and half of hours the usage of analog and virtual clocks. - 20 Establish pennies and dimes by way of identify and price.
Geometry
- Reason why with shapes and their attributes.
- 21 Construct and draw shapes that have defining attributes.
- 22 Compose two-dimensional shapes (rectangles, squares, trapezoids, triangles, half-circles, and quarter-circles) or third-dimensional shapes (cubes, proper oblong prisms, proper round cones, and proper round cylinders) to create a composite form, and compose new shapes from the composite form.
- 23 Partition circles and rectangles into two and 4 equivalent stocks and describe the stocks the usage of the phrases halves, fourths, and quarters, and use the words half of of, fourth of, and quarter of.
- 23.a: Describe “the entire” as two of or 4 of the stocks of circles and rectangles partitioned into two or 4 equivalent stocks.
- 23.b: Give an explanation for that decomposing into extra equivalent stocks creates smaller stocks of circles and rectangles.
