Search Results For “addition word problems”

Quick timed challenge adding three or more small numbers as quickly as possible.

Without doing any working out on paper answer these adding several numbers questions.

Applying knowledge to add and subtract decimals mentally.

Adding tenths and hundredths. These are just like adding tens and units, but watch out for the decimal point!

When adding decimals it is very important that the decimal points line up under each other.

Using the standard written method to efficiently add decimals.

In these questions, you are told one fact about a sum. Write down three others without doing any more calculating.

Given one fact helps with working out similar facts.

Multiplying three digit multiples of 100 is fairly easy, but there are some addition adjustments to make on some of these.

Revision of adding several small numbers mentally, using strategies learned earlier.

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.

These are about as hard as you will get for mental arithmetic. Many children (and adults) will find them very tricky!