Search Results For “adding and subtracting decimals”

You may have seen tables' grids: these are addition grids and work in just the same way, adding rather than multiplying.

More practice at adding the nearest whole ten and adjusting, as well as looking at addition patterns.

Adding several numbers. A useful tip is to look for pairs of numbers that make 10 and do that part of the sum first.

More adding multiples of 10 to 2-digit and 3-digit numbers. The units remain the same in these questions.

Subtraction by compensation means taking away more than you need and then adding some back. It can be quite an effective way to subtract.

Adding on to the next whole hundred, and then on to the next whole thousand.

Adding two 3-digit numbers mentally. Often it is best to start with the hundreds, then the tens and finally the units; this is the opposite order than when using written methods.

Adding multiples of ten to three digit numbers using the standard written method.

Estimation, adding fractions, multiples and factors all figure this week.

Adding hundreds to a three-digit number with squared paper to help if necessary.

Adding a single digit to a three-digit number with squared paper to help if necessary.

Adding tens to a three-digit number with squared paper to help if necessary.