Math Mountains SlidesMath Mountains Finding the Peaks and Valleys of Numbers 8 + 2 = ? 10 - 3 = ? Today's Goal We will use Number Bonds (Math Mountains) to see how addition and subtraction work together! Join Parts Find a Part Meet the Math Mountain 10 Total 7 Part 3 Part Part + Part = Total When we have two small numbers (the parts), we add them together to reach the top of the mountain! 6 + 4 = 10 ? 6 4 12 7 ? Total - Part = Part If we know the top of the mountain and one side, we subtract to find the missing part! 12 - 7 = 5 Mountain Challenge! Find the Total ? 5 9 5 + 9 = ? Find the Part 15 8 ? 15 - 8 = ? Bonus Peak 20 ? 12 20 - 12 = ?
Summit Searchers WorksheetSummit Searchers Math Mountain Practice Explorer: Date: Climb the mountains! Fill in the missing number, then write the math sentence. 1 Find the Peak 6 7 6 + 7 = 2 Find the Part 12 9 12 - 9 = 3 Find the Peak 8 8 8 + 8 = 4 Find the Part 15 6 15 - 6 = The Summit Story Luna found 11 smooth rocks. She gave some to her friend and now she has 4 left. How many did she give away? - = Write the sentence above