Solution: det (A) = −5, and for n×n matrix adj (A) has determinant (det A)^ (n−1). Here n = 3, so det (B) = (−5)^ (2) = 25.

The Government’s new reading test for year 8s will sit alongside new “diagnostic” maths and writing tests to help teachers identify gaps in learning, the Education Secretary has said. The final report ...

The writing’s on the wall — if you can read it. Sobering national test results show more high school seniors are struggling with math and reading than at any point in recent decades, with Education ...

Scores for 12th-graders in math and reading continued their years-long slide, reaching new lows on national tests, new data released Tuesday shows. The declines were underway before the onset of the ...

North Carolina students are making big gains in math, though they remain behind the proficiency rates of 2018 and 2019, before the COVID-19 pandemic closed schools, new data from the North Carolina ...

The Bronx is learning — at least in charter schools. Students from charter schools in the borough’s poorest neighborhoods, including the South Bronx, excelled on state reading and math exams — with ...

More New York City public school students are considered “proficient readers” after two years of major curriculum reforms, according to state test scores released Monday. About 56.3% of third through ...

Could you ace a primary school maths exam? From times tables to addition and subtraction, we've compiled a maths quiz with questions escalating in difficulty, designed to challenge a seven-year-old.

Are you ready for this math riddle test? Okay, in today’s math riddle, a series of numbers is used as logical reasoning to test your mental ability. So, can you prove you're in the 1% league with an ...