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

Students practice addition and subtraction problems without regrouping. In this lesson, students practice addition and subtraction problems without regrouping using base-10 block manipulatives and ...

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Subtraction from a two-digit number Two cartoon characters use labelled balloons to show subtractions of 10 from several two-digit numbers of less than 100. One character thinks of a number and the ...