Represent teen numbers with addition and subtraction equations involving one 10. Represent 10 using a number bond and 10-frame with a missing addend. Use Notice and Wonder with a 10-frame, connecting ...

Addition and Subtraction Tricks Without Pen and Paper: Doing quick calculations without writing anything down can seem tricky, but with the right mental math techniques, students can easily learn to ...

NARRATOR: Don’t worry Snoot. A handy way of working out 5 add 7 is to make 10 first. Take your 5 shells Snoot, and add 5 from Fin’s 7, which equals 10. That leaves 2 shells left over. So just add 2 to ...

Hello, I’m Mr Firth, and I need your help today as we learn to add and subtract within ten. You can use lots of things to help you add and subtract. Counters, number lines and even your fingers. Let’s ...