FreeMathWorksheet

Full Practice

TN-MATH-AP-55913 · v2.9

Decimal Addition

AP · Math · Decimals · OCR

Grade

AP

Subject

Math

Topic

Decimals

Subtopic

Decimal Addition

Curriculum

OCR

Difficulty

Mixed

Time

50 minutes

Total marks

64

Student name

Teacher name

Date

Learning objectives

Recognise decimal addition accurately in math contexts.
Explain the underlying rule of decimal addition in the student's own words.
Apply decimal addition to multi-step and unfamiliar problems.
Justify a chosen method and identify errors in another student's work.

Skills assessed

Fluency and recall
Method and setting out
Reasoning and justification
Problem solving in context
Self-assessment

Instructions

Write your name, your teacher's name and the date in the header.
Answer every question in the space provided. Continue on the back if needed.
Show all working — method marks are awarded even when the final answer is wrong.
Aim to finish in about 50 minutes.
Complete the reflection box at the end before you hand the sheet in.

Warm-up

Bloom: Remember · 5 marks

Answer quickly. These check you are ready for the topic.

1.Circle one fact you already know about decimal addition.
[1]
2.Circle one fact you already know about decimal addition.
[1]
3.State one fact you already know about decimal addition.
[1]
4.Write down one fact you already know about decimal addition.
[1]
5.Circle one fact you already know about decimal addition.
[1]

FreeMathWorksheet · AP Math

Decimal Addition

Recall

Bloom: Remember · 5 marks

Complete from memory. No calculator, no notes.

1.Label the key term used in decimal addition described here: item 1.
[1]
2.List the key term used in decimal addition described here: item 2.
[1]
3.List the key term used in decimal addition described here: item 3.
[1]
4.Label the key term used in decimal addition described here: item 4.
[1]
5.Complete the key term used in decimal addition described here: item 5.
[1]

Basic Practice

Bloom: Understand · 6 marks

Work through each item. Show the step you used.

1.Complete part 1 using the rule for decimal addition.
[1]
2.Work out part 2 using the rule for decimal addition.
[1]
3.Complete part 3 using the rule for decimal addition.
[1]
4.Complete part 4 using the rule for decimal addition.
[1]
5.Match part 5 using the rule for decimal addition.
[1]
6.Work out part 6 using the rule for decimal addition.
[1]

FreeMathWorksheet · AP Math

Decimal Addition

Guided Practice

Bloom: Understand · 10 marks

The first step is given. Finish the reasoning.

1.Continue the working for part 1. Step 1 has been started for you.
[2]
2.Complete the method for part 2. Step 1 has been started for you.
[2]
3.Using the first step given, finish part 3. Step 1 has been started for you.
[2]
4.Complete the method for part 4. Step 1 has been started for you.
[2]
5.Continue the working for part 5. Step 1 has been started for you.
[2]

Independent Practice

Bloom: Apply · 12 marks

No scaffolding. Set out your full method.

1.Calculate part 1 on decimal addition without help.
[2]
2.Work out fully part 2 on decimal addition without help.
[2]
3.Solve part 3 on decimal addition without help.
[2]
4.Work out fully part 4 on decimal addition without help.
[2]
5.Work out fully part 5 on decimal addition without help.
[2]
6.Determine part 6 on decimal addition without help.
[2]

FreeMathWorksheet · AP Math

Decimal Addition

Challenge Questions

Bloom: Analyse · 12 marks

Harder items. Attempt every one, even partially.

1.Prove the statement in part 1 about decimal addition.
[3]
2.Find and justify the statement in part 2 about decimal addition.
[3]
3.Prove the statement in part 3 about decimal addition.
[3]
4.Find and justify the statement in part 4 about decimal addition.
[3]

Real-life Application

Bloom: Apply · 6 marks

Use the skill in context. State units in your answer.

1.Apply a real math situation that depends on decimal addition.
[3]
2.Apply a real math situation that depends on decimal addition.
[3]

FreeMathWorksheet · AP Math

Decimal Addition

Critical Thinking

Bloom: Evaluate · 8 marks

Explain your reasoning in full sentences.

1.Compare and justify a student's method for decimal addition is or is not efficient.
[4]
2.Compare and justify a student's method for decimal addition is or is not efficient.
[4]

Reflection

Bloom: Create · 0 marks

Not marked. Answer honestly — this guides your next worksheet.

1.Describe how confident you feel with decimal addition and what you will practise next.
[—]
2.Describe how confident you feel with decimal addition and what you will practise next.
[—]