Number Crunchers SlidesNumber Crunchers Let's practice adding and subtracting together! Adding On! When we add, we put groups together. 🍎🍎 🍎🍎🍎 = 5 Pro Tip: Start with the bigger number and count on! Taking Away! When we subtract, we remove items from a group. 🍪🍪🍪🍪 - 🍪 = 3 Check It: Imagine eating the cookies! How many are left? Let's Try One Together! 7 + 4 = ? A) 10 B) 11 C) 12
Number Crunchers WorksheetNumber Crunchers Addition and Subtraction Practice Name: Date: Addition Station 8 + 5 = 12 + 4 = 9 + 7 = 6 + 6 = Subtraction Zone 10 - 3 = 15 - 6 = 18 - 9 = 11 - 7 = Story Challenge Sam has 7 blue marbles. Then, Sam finds 6 more marbles in a box. How many marbles does Sam have in all? 1. Draw your marbles here: 2. Write your number sentence: = Sam has marbles in all.
Number Crunchers Answer KeyAnswer Key: Number Crunchers For Teacher Use Only Addition Station 8 + 5 = 13 12 + 4 = 16 9 + 7 = 16 6 + 6 = 12 Subtraction Zone 10 - 3 = 7 15 - 6 = 9 18 - 9 = 9 11 - 7 = 4 Thinking Space Answer Question: 7 + 6 Solution: 13 Sample Drawing: 7 circles and 6 circles drawn separately or in a ten-frame, totaling 13.