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Week 2 - 08.06.20

Addition and Subtraction 

 

Day 1 - Adding and subtracting ones to a 3-digit number

Calculate the answers to the following:

Challenge: Explain how you would use 7 + 8 = 15 to calculate 537 + 8 

 

Challenge: Explain how you would use 14 - 9 = 6 to calculate 384 - 8

 

Day 2 - Adding and subtracting tens to a 3-digit number

Calculate the answers to the following:

Calculate the answers to the following:

 

Day 3 - Adding and subtracting hundreds to a 3-digit number

Calculate the answers to the following:

Challenge: Explain how you would use 9 + 4 = 13 to calculate 931 + 400

Calculate the answers to the following:

Challenge: Take any three digit number. You can subtract 100, 200, 300 or 400 once

each, but you must not go below 0. 

Day 4  - Adding 3-digit and 2-digit numbers - No carrying

Day 5  - Adding 3-digit and 2-digit numbers - With carrying

Calculate the answers to the following:

I have completed 2 examples for you to remind you that we carry our numbers on the top.

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