# Estimation

Here is a list of all of the skills that cover estimation! These skills are organised by year, and you can move your mouse over any skill name to preview the skill. To start practising, just click on any link. IXL will track your score, and the questions will automatically increase in difficulty as you improve!

## Year 2 skills

- N.1 Estimate to the nearest ten
- N.2 Round to the nearest five cents
- N.3 Round to the nearest five cents - word problems
- N.4 Round to the nearest ten
- N.5 Round to the nearest ten or hundred
- N.6 Round to the nearest ten, hundred or thousand
- N.7 Estimate sums
- S.8 Which metric unit of length is appropriate?
- S.10 Which metric unit of mass is appropriate?
- S.11 Which metric unit of volume is appropriate?

## Year 3 skills

- J.1 Rounding
- J.2 Round to the nearest five cents
- J.3 Round to the nearest five cents - word problems
- J.4 Round to the nearest dollar
- J.5 Rounding puzzles
- J.6 Solve inequalities using estimation
- J.7 Estimate sums
- J.8 Estimate sums: word problems
- J.9 Estimate differences
- J.10 Estimate differences: word problems
- J.11 Estimate products
- J.12 Estimate products: word problems
- J.13 Estimate quotients
- J.14 Estimate quotients: word problems
- J.15 Estimate sums, differences, products and quotients: word problems
- O.2 Reasonable temperature
- O.4 Which metric unit of length is appropriate?
- O.7 Which metric unit of mass is appropriate?
- O.9 Which metric unit of volume is appropriate?

## Year 4 skills

- A.6 Rounding
- B.9 Estimate sums
- B.10 Estimate sums: word problems
- C.7 Estimate differences
- C.8 Estimate differences: word problems
- D.12 Estimate products
- D.13 Estimate products: word problems
- E.11 Estimate quotients
- E.12 Estimate quotients: word problems
- F.5 Estimate sums, differences, products and quotients: word problems
- I.2 Round to the nearest five cents
- I.3 Round to the nearest five cents: word problems
- I.4 Round to the nearest dollar or more
- J.1 Choose the appropriate metric unit of measure
- O.13 Round decimals
- P.9 Estimate sums and differences of decimals

## Year 5 skills

- A.6 Rounding
- B.8 Estimate sums and differences of whole numbers
- B.9 Estimate sums and differences: word problems
- C.8 Estimate products
- C.9 Estimate products: word problems
- D.6 Estimate quotients
- D.7 Estimate quotients: word problems
- F.7 Round decimals
- G.6 Estimate sums and differences of decimals
- H.1 Estimate products of decimals
- I.17 Round mixed numbers
- J.12 Estimate sums and differences of mixed numbers
- T.1 Choose the appropriate metric unit of measure
- T.8 Choose the more reasonable temperature

## Year 6 skills

- B.7 Estimate products
- C.6 Estimate quotients
- F.7 Round decimals
- F.8 Round whole numbers and decimals: find the missing digit
- G.4 Estimate sums and differences of whole numbers
- G.5 Estimate sums and differences: word problems
- G.8 Estimate sums and differences of decimals
- H.4 Estimate products of decimal numbers
- J.9 Estimate sums and differences of mixed numbers
- K.7 Estimate products of fractions and whole numbers
- O.1 Estimate to solve word problems
- R.1 Estimate metric measurements
- AA.3 Estimate angle measurements

## Year 7 skills

- D.4 Round decimals
- E.7 Estimate sums, differences and products of decimals
- F.10 Round mixed numbers
- G.9 Estimate sums and differences of mixed numbers
- G.21 Estimate products and quotients of fractions and mixed numbers
- I.8 Estimate square roots
- J.12 Estimate population size using proportions
- L.4 Estimate percents of numbers
- N.1 Estimate to solve word problems
- O.1 Estimate metric measurements