Donna has been a teacher, mathematics instructional coach, interventionist, and also curriculum coordinator. A constant speaker in ~ state and also national conferences, she shares her love for math with a global audience v her website, mathematics Coach’s Corner. Donna is additionally the co-author the Guided mathematics Workshop.

You are watching: Show how to make a ten to find 12 - 4

In Kindergarten, our kiddos learn their “Friends that Ten“. In various other words, they find out all the combinations the make ten (ex., 2 + 8, 3 + 7, etc.). In 1st grade, as students begin learning their straightforward addition facts, they use that understanding in a strategy known as “make a ten” to assist make sense of facts that might otherwise be tough to memorize, such as 8 + 4 or 9 + 5. To usage the strategy, student decompose one of the addends to do a ten native the other. If girlfriend look in ~ the instance pictured below, the 4 is decomposed (split) right into 3 and 1. The 3 is linked with the 7 to do 10, and also then the 1 is added for 11.

Ditto what Amy said. Ns LOVE this for this reason much. My students really battle with these facility addition strategies. This breaks it down for them perfectly. Many thanks a million!

BeckyCompassionate Teacher