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Community Primary School

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Maths

This week, you will learn how to use your number facts to help you solve problems.

Here are some of the number facts that you should know by now:

 

  • Number bonds for 10 and 20 (eg. 5 + 5 = 10, 15 + 5 = 20) Don't forget that you also need to learn the subtraction facts: 10 - 5 = 5, 20 - 15 = 5
  • Number bonds to 10 related to number facts up to 100, e.g. 4+6=10 is related to  40+60=100.
  • Multiplication and division for the 2, 5 and 10 x tables (but we are only focusing on addition and subtraction facts this week).

 

Tasks

This week, your tasks are:

1. Practice recalling your number facts through a variety of games / videos

2. Complete some sheets/booklets with Word Problems

 

This is a video to explain Number Bonds for Parents (It seems basic, but is actually very useful!)

Number Bonds for 20

Relate number bonds to 100 to number bonds to 10

Maths Games for recalling of Year 2 Number Facts:

  • Target! Write out the numbers from 0-20 in a line.  Throw a bean-bag. If you land on, say, 5, then you have to shout out 15 (since 5 + 15 =20). 

 

  • Write the multiples of 10 from 10-90 on square pieces of paper.  Your opponent chooses a card and you must say what you would add onto that number to make 100.  So, if my opponent chooses 20, I would shout out "80!".  (I know this because I know that 2 + 8 =10 so therefore 20 + 80 = 100).

 

  • 'I SAY, YOU SAY' Up to 10:  I say 4, you say 6   Up to 20: I say 12, you say 8  Up to 100: I say 20, you say 80.

 

Activities to Print out and Complete

Below, there are a variety of activities to suit your different needs.  If you are really confident with your number bonds to 20, then you don't have to complete that task.

Number Bonds to 20 Activity Pack inc Word Problems

Number bonds to 20 Bar Model problems

Number Bonds to 100 Word Problems

Word Problems involving recall of Number facts + Place Value

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