Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Hello, lovely learners. My name's Miss White and I'm so excited to teach you today. For this lesson you ...

The column method for addition is a good way to add large numbers. It involves writing one number beneath the other so that the digits for each place value line up. You then add the digits, starting ...

Adding larger numbers in your head is not always easy. If you need to use pen and paper, then the column method is a good way to add. It involves writing one number beneath the other, so that the ...

1 Faculty of Education, Osaka Kyoiku University, Osaka, Japan. 2 Department of Integrated Psychological Science, Kwansei Gakuin University, Nishinomiya, Japan. Three second-grade students (YOSHI, TAKU ...