Hello Year 2 For todays Maths lesson you
- Slides: 10
Hello Year 2! For today’s Maths lesson, you will be using number bonds to help you with subtraction
Warm-up How many different ways can you make the number 14! You can use +, -, ÷, × Example: 7 x 2 = 14
Number Bonds Do you remember what a number bond is? A number bond is _____. Check here(move the box): They are simply the pairs of numbers that make up a given number.
Number Bonds Write down all of your number bonds to 9 Check here(move the box): 0+9 1+8 2+7 3+6 4+5 5+4 6+3 7+2 8+1
Number Bonds You can use your knowledge of number bonds to help you solve subtraction number sentences 4+5=9
Number Bonds You can use your knowledge of number bonds to help you solve subtraction number sentences 4+5=9
Number Bonds You can use your knowledge of number bonds to help you solve subtraction number sentences 4+5=9 So… 9– 5=
Number Bonds You can use your knowledge of number bonds to help you solve subtraction number sentences Use your number bonds to 9 to help you solve these number sentences 0+9=9 1+8=9 2+7=9 3+6=9 4+5=9 5+4=9 6+3=9 7+2=9 8+1=9 9+0=9 Check here 9 -1= 8 9 -2= 7 9 -3= 6 9 -4= 5 9 -5= 4 9 -6= 3 9 -7= 2 9 -8= 1 9 -9= 0
Number Bonds Level 1 Level 2 Level 3 20 – 14 = 20 – 9 = 20 – 17 = 20 – 3 = 20 – 11 = 20 – 6 = 20 – 12 = 21 – 4 = 21 – 19 = 21 – 7 = 21 – 13 = 21 – 16 = 27 – 14 = 27 – 19 = 27 – 17 = 27 – 13 = 27 – 11 = 27 – 16 =
Challenge Level 1: Can you list numberbonds to 10? Level 2: Can you list numberbonds to 20? Level 3: Can you list numberbonds to 100?