Want to help your first-grader master math ... tens, and nine ones). Mentally add 10 and subtract 10 from any two-digit number and explain the thinking used. Add a one-digit number (1 through ...

Step 1 - Write 3 and 6 as shown below ... for any two 2-digit numbers which have the same digit at tens place and the digits at ones place adds up to 10. You can gain mastery in the above tricks ...

Join Mrs. Markavich for Numeracy Talk with Dotson working on conservation to 20. Get ready to have some fun with identifying tens and ones with Value Pak!

Any two-digit number can be shown using tens and ones. For example, the number 34 can be divided into three lots of ten and four lots of one. JavaScript is required to view this activity.