In this math activity, students can work on strategies used to add and subtract decimals for 5.NBT.7. This unit includes three different decimal spinner pages!
Directions: Working with a partner, grab one paper clip, a pencil, and a worksheet.
Place the paperclip over the pencil tip. Put the pencil tip at the center of the spinner on the black dot. The first player should flick the paper clip.
ADDITION: Starting at zero, add the decimal the paperclip landed on to zero. Be sure to set up each equation and show your work. Taking turns, continue adding decimals until one player reaches 100. The first player to reach 100 wins.
SUBTRACTION: Starting at 100, subtract the decimal the paperclip landed on from one hundred. Be sure to set up each equation and show your work. Taking turns, continue subtracting decimals until one player reaches zero. The first player to reach zero wins.