Count on the Hundred Chart
🗺️ The ultimate number map! A hundred chart puts all the numbers perfectly in a grid so you can see the amazing hidden patterns in math.
Concept
A Hundred Chart is a big square grid with 10 rows and 10 columns. It holds every number up to 100 neatly organized. 🎯 **The "Going Across" Pattern (Rows):** When you move your finger **Left to Right** across a row, you are just counting up by ones! Every number is 1 more than the last one. * 41, 42, 43, 44... 🎯 **The "Going Down" Pattern (Columns):** This is where the magic happens! When you move your finger **Straight Down** a column, the number in the ones place stays EXACTLY THE SAME, but the number in the tens place gets bigger! You are skip-counting by 10s. * First column: 1, 11, 21, 31, 41, 51, 61, 71, 81, 91. * All of them end in 1! A whole column of 1s! This map makes it super fast to add 1 or add 10 to any number.
Try it
Explore the number map! **Instructions:** Imagine a 100 chart. (1-10 on the first row, 11-20 on the second row). **Problem 1:** Put your finger on the number 35. You move your finger one box **to the right**. What number are you on? A) 36 (You added 1) B) 45 (You added 10) **Problem 2:** Put your finger on the number 22. You move your finger exactly one box **straight down**. What number are you on? A) 23 (You added 1) B) 32 (You added 10) **Problem 3:** Look at the numbers going straight down the far right side of the chart: 10, 20, 30, 40... What number is directly underneath 50? * Answer: ___ **Problem 4:** Every single number in the 5th column ends with the number 5 (e.g., 5, 15, 25). Is that true or false? * True / False