Ten more or less

Learning Objectives Mentally find 10 more than a given two-digit number. Mentally find 10 less than a given two-digit number. Use a number chart to find 10 more or 10 less. Explain that the tens digit changes when adding or subtracting 10. Show that the ones digit does not change when adding or subtracting 10. Solve simple word problems involving '10 more' and '10 less'. Imagine you have 15 shiny stickers ⭐. What if you get 10 more? How many would you have? Today, we will learn a super fast trick! We will learn how to find ten more or ten less than a number. This helps us count and solve problems very quickly. Real-World Applications Counting money, like adding a 10-cent dime 🪙. Playing board games and moving 10 spaces 🎲. Sharing snacks with f...

TermDefinitionExample Ten MoreTen more means you add a group of ten. The number gets bigger.Ten more than 20 is 30. You had 2 bundles of ten sticks, now you have 3! 🥢 Ten LessTen less means you take away a group of ten. The number gets smaller.Ten less than 50 is 40. You had 5 balloons 🎈, and one group of 10 flew away! Tens PlaceThis is the spot for groups of ten. In the number 47, the 4 is in the tens place.In the number 36, the 3 tells us there are 3 groups of ten. Ones PlaceThis is the spot for single ones. In the number 47, the 7 is in the ones place.In the number 36, the 6 tells us there are 6 single ones. Number ChartA big chart with numbers in order. It helps us see number patterns.To find 10 more on a 100 chart, you just jump down one row. 👇

The Ten More Rule Number + 10 To find ten more, the tens digit goes up by one. The ones digit stays the same! The Ten Less Rule Number - 10 To find ten less, the tens digit goes down by one. The ones digit stays the same!