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Description

This worksheet was written as a formative assessment activity at the beginning of our decimal addition and subtraction unit. It should let you see if and where your students lack any skills in vertical addition and subtraction so that you can deal with those before moving on to decimals. The challenge questions will also let you see if any of your students have covered this content before.
Each line of the quiz gets hard from left to right, and each line represents a slightly different skill. For example, line one is addition without regrouping, line two is all regrouping, line three is subtraction without borrowing, and line four has borrowing in every question. This should help you see quite quickly where your students are struggling.

This pretest is part of a larger unit that was written to help your Year 6 students add and subtract decimals and develop estimates through rounding to check their answers.

Lesson Structure
• Individual Activity
Curriculum Codes

AC9M6N04 9

Apply knowledge of place value to add and subtract decimals, using digital tools where appropriate; use estimation and rounding to check the reasonableness of answers

AC9M6N08 9

Approximate numerical solutions to problems involving rational numbers and percentages, including financial contexts, using appropriate estimation strategies

ACMNA128 8.4

Add and subtract decimals, with and without digital technologies, and use estimation and rounding to check the reasonableness of answers

VCMNA214

Add and subtract decimals, with and without digital technologies, and use estimation and rounding to check the reasonableness of answers

VCMNA218

Investigate and calculate percentage discounts of 10%, 25% and 50% on sale items, with and without digital technologies

MA3-1WM old

Describes and represents mathematical situations in a variety of ways using mathematical terminology and some conventions

MA3-2WM old

Selects and applies appropriate problem- solving strategies, including the use of digital technologies, in undertaking investigations

MA3-3WM old

Gives a valid reason for supporting one possible solution over another

MA3-7NA old

Compares, orders and calculates with fractions, decimals and percentages

MA3-RN-01 new

Applies an understanding of place value and the role of zero to represent the properties of numbers

MA3-RN-02 new

Compares and orders decimals up to 3 decimal places

MA3-RN-03 new

Determines percentages of quantities, and finds equivalent fractions and decimals for benchmark percentage values

MA3-AR-01 new

Selects and applies appropriate strategies to solve addition and subtraction problems

MA3-MR-01 new

Selects and applies appropriate strategies to solve multiplication and division problems

MA3-MR-02 new

Constructs and completes number sentences involving multiplicative relations, applying the order of operations to calculations

MA3-RQF-01 new

Compares and orders fractions with denominators of 2, 3, 4, 5, 6, 8 and 10

MA3-RQF-02 new

Determines 1/2, 1/4, 1/5 and 1/10 of measures and quantities