First adding & taking away

Adding and subtracting with things you can hold.

• 1Adding with things you can holdPut them together in one pile and count the pile. 4 practice questions+10 XP
• 2Taking awayTake some out of the pile and count what is left behind. 4 practice questions+10 XP
• 3DoublesSame number twice — worth learning by heart, because they unlock everything else. 4 practice questions+15 XP