Calculators-t1

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Number Patterns

Addition/ Subtraction

Adding/ Subtracting Tens and Ones

Tens and Ones

Missing Tens and Ones

Good Spotting!

Tens and Ones

Walt: Count on and back to find the missing tens and missing ones

Example:

Ben banks $23. Over three months, he makes deposits and check his balance again. He's found that he now has $58 in total. How much money did he bank over the three month period?

Do you know which numbers are sitting in the tens? And which numbers are sitting in the ones?

Watch this video to help you understand further about missing tens and ones

Missing Tens and Ones

Walt: Count on and back to find the missing tens and missing ones

Example:

Ben banks $23. Over three months, he makes deposits and check his balance again. He's found that he now has $58 in total. How much money did he bank over the three month period?

Do you know which numbers are sitting in the tens? And which numbers are sitting in the ones?

Watch this video to help you understand further about missing tens and ones

Tens and Ones

Walt: Count on and back in tens, tens and ones

Watch these video to help with understanding the strategy you should be using

Rules: When adding or subtracting just tens, only the TENS change, the ones stay the same

When adding or subtracting both tens and ones then BOTH the tens and ones change.

Adding/ Subtracting Tens and Ones

Walt: Count on and back in tens

Watch this video to help with understanding the strategy you should be using

Addition/ Subtraction

Walt: Count on and back in tens

Watch this video to help with understanding the strategy you should be using

Number Patterns

Walt: Recognise and identify simple number patterns

Instructions Make a copy and complete your activity

Post your activity to your blog with 2-3 sentences that explain your learning