Join Mrs. McCartney for an addition number talk with D.C.! Join Mrs. McCartney for an addition number talk with D.C.! Get ready to have some fun subtracting two-digit numbers with regrouping and ...

Decompose numbers to subtract. Engage in a Number Talk focused on subtraction strategies. Decompose numbers to subtract. Engage in a Number Talk focused on subtraction strategies. Can you solve the ...

In this video, I explain how to perform two-digit operations quickly using mental strategies. We'll cover **addition**, ...

Write the numbers in a vertical list, lining up the decimal points. If the numbers have a different amount of digits, there may be some gaps in the columns. Fill in any gaps with a zero so that each ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Hello! Today we're going to break numbers into their parts. Numbers are written in parts. When we look ...