Mathematics · Year 1

Adding and Taking Away

🔢 MathematicsEasy9 min
0
0 of 5

🍎 you have 7 and your you 5 more. How many do you have ? we to ADD and , all the way up to 20. Let's go!

to make a . We use the + . So 7 + 5 we with 7 and on 5 more. Try on your : 8, 9, 10, 11, 12. The is 12! 🎉

on from the . It is ! For 3 + 9, at 9 and on 3: 10, 11, 12. You get the way.

can be done in ANY and the the . 6 + 4 = 10 and 4 + 6 = 10. We this the law. is ! 104 = 6, but 410 does not the way.

Use a number line to count on for addition and count back for subtraction.

to a . We use the. If you have 13 and eat 4, 4 from 13: 12, 11, 10, 9. You have 9 . 🍬

and are ! If 8 + 7 = 15, then 157 = 8 and 158 = 7. one you for !

🃏 Practise these key addition and subtraction facts. Flip each card to check! 🃏

Tap each card to see the answer.

a is from the . For : 5 + ? = 12. To the , : what do I add to 5 to get 12? on from 5 to 12that is 7. So ? = 7. ✅

✍️ Fill in the missing numbers. Use counting on or counting back to help you! 🔢

6 + = 14, and 17 = 9.

🗂️ Sort each number sentence into Addition or Subtraction. 🗂️

  • 4 + 9 = 13

  • 16 − 7 = 9

  • 8 + 5 = 13

  • 20 − 6 = 14

  • 11 + 3 = 14

  • 15 − 8 = 7

: can go in any , but . your by the if 9 + 6 = 15, with 156 = 9. 🔄

Quiz time! 📝

Adding and Taking Away — Quick Check ✅

Question 1 of 5

Tip: log in to save your score and track progress.

What is 8 + 7?

Finished?

Log in to mark this lesson complete and track your progress.