We have learned and used tools to help us . Now we will utilise these same tools when we subtract decimals. Let's review.
Find the value of 6353 - 129.
There are a few strategies that can be used to subtract a whole number from a number with a decimal. This video looks at renaming numbers.
Find 53.29-42.29, giving your answer as a decimal.
Sometimes there is a need to regroup, or rename, some values before we can subtract. We use the same process as we use with whole numbers, so using place value columns can really help.
Find 3.12-0.04, leaving your answer in decimal form.
This video explores how to complete a pattern that involves decimals.
Consider the following pattern.
0.63,\,0.56,\,0.49,\, ⬚,\, ⬚,\, ⬚
What is the pattern?
Complete the pattern: 0.63,\,0.56,\,0.49,\, ⬚,\, ⬚,\, ⬚
Add and subtract decimals, with and without digital technologies, and use estimation and rounding to check the reasonableness of answers