BNCC – Brazil’s National Common Curricular Base

8º ano

7 standards for 8º ano, each with free sheets that practise it. Ages 13–14

Descriptions are short summaries in our own words, not the official wording.

Matemática

EF08MA01
Calculate with integer powers and use them to write numbers in scientific notation.
Practise it
- Powers and exponents (level 2)Play Print Make
- Powers and exponents (level 3)Play Print Make
- Standard form (scientific notation)Play Print Make
- Standard form (scientific notation) (level 2)Play Print Make
- Standard form (scientific notation) (level 3)Play Print Make
Ready-made sheets
EF08MA02
Use the link between powers and roots, writing a root as a power with a fractional exponent.
Practise it
- Square roots and cube roots (level 2)Play Print Make
- Square roots and cube roots (level 3)Play Print Make
- Square roots and cube rootsPlay Print Make
Ready-made sheets
- Square roots and cube roots (Challenge)
- Square roots and cube roots (Core)
EF08MA06
Evaluate algebraic expressions for given values using the properties of operations.
Practise it
- Substituting into expressions (level 2)Play Print Make
- Substituting into expressions (level 3)Play Print Make
- Substituting into expressionsPlay Print Make
Ready-made sheets
- Substitution (With negatives)
- Substitution (Bigger numbers)
EF08MA11
Find the rule of a recursive number sequence and describe how to get the next terms.
Practise it
- The nth term of a sequence (level 2)Play Print Make
- The nth term of a sequence (level 3)Play Print Make
- Sequence puzzles (level 2)Play Print Make
- Sequence puzzles (level 3)Play Print Make
Ready-made sheets
EF08MA19
Solve area problems for quadrilaterals, triangles and circles using area formulas.
Practise it
- Area of triangles and quadrilaterals (level 3)Play Print Make
- Area and circumference of circles (level 2)Play Print Make
- Area and circumference of circles (level 3)Play Print Make
- Area of triangles and quadrilaterals (level 2)Play Print Make
- Area and circumference of circlesPlay Print Make
Ready-made sheets
EF08MA25
Find the mean, mode and median of data and relate them to the spread shown by the range.
Practise it
- Median (level 2)Play Print Make
- Median (level 3)Play Print Make
- Mode (level 2)Play Print Make
- Mode (level 3)Play Print Make
- Range (level 2)Play Print Make
- Range (level 3)Play Print Make
Ready-made sheets

Ciências

EF08CI04
Calculate the energy use of household appliances from their power and time of use.
Practise it
- Physics calculations: speed, force and energy (level 3)Play Print Make

Matemática

EF08MA01

Practise it

Ready-made sheets

EF08MA02

Practise it

Ready-made sheets

EF08MA06

Practise it

Ready-made sheets

EF08MA11

Practise it

Ready-made sheets

EF08MA19

Practise it

Ready-made sheets

EF08MA25

Practise it

Ready-made sheets

Ciências

EF08CI04

Practise it