A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 132

Backtrace:

File: /home/k12/k12learning.in/application/controllers/Web.php
Line: 11
Function: library

File: /home/k12/k12learning.in/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 292

Backtrace:

File: /home/k12/k12learning.in/application/controllers/Web.php
Line: 11
Function: library

File: /home/k12/k12learning.in/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 166

Backtrace:

File: /home/k12/k12learning.in/application/controllers/Web.php
Line: 11
Function: library

File: /home/k12/k12learning.in/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 235

Backtrace:

File: /home/k12/k12learning.in/application/controllers/Web.php
Line: 11
Function: library

File: /home/k12/k12learning.in/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::destroy($session_id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 315

Backtrace:

File: /home/k12/k12learning.in/application/controllers/Web.php
Line: 11
Function: library

File: /home/k12/k12learning.in/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 356

Backtrace:

File: /home/k12/k12learning.in/application/controllers/Web.php
Line: 11
Function: library

File: /home/k12/k12learning.in/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 282

Backtrace:

File: /home/k12/k12learning.in/application/controllers/Web.php
Line: 11
Function: library

File: /home/k12/k12learning.in/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_set_cookie_params(): Session cookie parameters cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 294

Backtrace:

File: /home/k12/k12learning.in/application/controllers/Web.php
Line: 11
Function: library

File: /home/k12/k12learning.in/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 304

Backtrace:

File: /home/k12/k12learning.in/application/controllers/Web.php
Line: 11
Function: library

File: /home/k12/k12learning.in/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 314

Backtrace:

File: /home/k12/k12learning.in/application/controllers/Web.php
Line: 11
Function: library

File: /home/k12/k12learning.in/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 315

Backtrace:

File: /home/k12/k12learning.in/application/controllers/Web.php
Line: 11
Function: library

File: /home/k12/k12learning.in/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 316

Backtrace:

File: /home/k12/k12learning.in/application/controllers/Web.php
Line: 11
Function: library

File: /home/k12/k12learning.in/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 317

Backtrace:

File: /home/k12/k12learning.in/application/controllers/Web.php
Line: 11
Function: library

File: /home/k12/k12learning.in/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 375

Backtrace:

File: /home/k12/k12learning.in/application/controllers/Web.php
Line: 11
Function: library

File: /home/k12/k12learning.in/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 110

Backtrace:

File: /home/k12/k12learning.in/application/controllers/Web.php
Line: 11
Function: library

File: /home/k12/k12learning.in/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_start(): Session cannot be started after headers have already been sent

Filename: Session/Session.php

Line Number: 143

Backtrace:

File: /home/k12/k12learning.in/application/controllers/Web.php
Line: 11
Function: library

File: /home/k12/k12learning.in/index.php
Line: 315
Function: require_once

Skill Science

Lower kindergarten science

Here is a list of all of the maths skills students learn in Lower kindergarten! These skills are organised into categories, and you can move your mouse over any skill name to preview the skill. To start practising, just click on any link. K-12 will track your score, and the questions will automatically increase in difficulty as you improve!