Think-Top Educational Institute
Standard 5 · SEA Mathematics

Standard 5 SEA Maths Practice

The SEA is written at the end of Standard 5, so this is the year for focused practice. Pick a topic below, or start with the free exercises and work through them at your own pace.

The Think-Top SEA practice app icon: Ms. Dumas waving inside a gold ring
14 topics

Every Standard 5 Maths topic

Adding and Subtracting Fractions

Add and subtract fractions with different denominators, find the fraction left from a whole, and solve fraction stories.

7 free exercises

Area Formulae

Use length times width for rectangles and side times side for squares, then split, subtract and tile your way through SEA style area problems.

6 free exercises

Discount, Savings and VAT

Work out bills and change, take off discounts, spot the best buy and add VAT at 12.5 percent, all in Trinidad and Tobago dollars.

4 free exercises

Dividing Decimals

Divide decimals by whole numbers, keep every digit in its place, spot the patterns for dividing by 10 and 100, and share money fairly.

4 free exercises

Fractions, Decimals and Percents

See that 1/2, 0.5 and 50% all name the same amount, change between the three forms, and put mixed forms in order.

4 free exercises

Geometry Review: Angles, Triangles, Symmetry

Review the geometry the SEA keeps testing: triangle types, angles and turns, solids and their faces, circles, parallel lines and lines of symmetry.

4 free exercises

Mean (Average)

Share a total out equally to find the mean, then use it to solve SEA style problems with totals, tables, graphs and new values.

7 free exercises

Multi-Step Problems: Mixed

Plan the steps, work them out and check them. Money, sharing, fractions, best buys and working backwards, just like the long questions at the end of the SEA.

8 free exercises

Multiplying Decimals

Multiply decimals by whole numbers, by 10 and 100, and tenths by tenths, then use it for money and measurement problems.

4 free exercises

Percent of a Quantity

Find 10%, 25%, 50% and any other percent of a number, then use it in stories about pupils, pages and beads, with the rest, the chain and the whole.

7 free exercises

Percent: What It Means

Learn that percent means out of 100, read percents from a 100 square grid, and change between fractions, decimals and percents.

6 free exercises

Perimeter Formulae

Use the formulae for the perimeter of rectangles and squares, then find the perimeter of shapes with corners cut out and work out a missing side.

6 free exercises

Quadrilaterals

Get to know the square, rectangle, parallelogram, rhombus, trapezium and kite by their sides, angles, parallel pairs and symmetry, and use the 360 degree angle total.

4 free exercises

Unequal Sharing

Share money and marbles when one person gets more. Take away the extra, count the equal parts, or give half the difference to make things fair.

4 free exercises
Inside the app

What your child will see

SEA practice app: Exercises inside a topic
Exercises inside a topic
SEA practice app: Instant feedback on every answer
Instant feedback on every answer
SEA practice app: Stars, ranks and badges
Stars, ranks and badges
SEA practice app: Full-length mock papers
Full-length mock papers
Plus

Every topic has free exercises to start. Plus unlocks the full set and every mock paper for TT$150 per child per month (US$25), on up to 3 devices.

Get Plus

Want a teacher in the room as well?

Our small SEA classes in St. Augustine and online begin with a real diagnostic, so lessons start from exactly where your child is. Practice at home fits beautifully alongside.

See our SEA classes