Calculators-t1
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
Links: Algebra Number Patterns