Mental math skills are really important to develop. Kids practice metal computation by first adding the hundreds then the tens and ones. There are nine addition and nine subtraction problems to solve. This attractive instructional...

In this addition chart instructional activity, students help Santa determine the number of children on the 17 streets listed in the chart. Students find the sums of the boys and girls by adding the numbers in the hundreds.

In this addition learning exercise, students fill in the missing numbers in 12 addition operations in order to make the sum equal 1,000. The learning exercise mentions the British pound. The answers are on the second page.