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### Expanded & compact column subtraction

**Day 1**

Use expanded column subtraction to subtract pairs of 3-digit numbers.

**Day 2**

Use expanded column subtraction to subtract pairs of 3-digit numbers.

Use expanded, then compact column subtraction to subtract pairs of 3-digit numbers.

**Day 3**

Choose an appropriate method to subtract pairs of 3-digit numbers.

### Introduction: 1- and 2-place decimals

**Day 1**

Place 1-place decimals on landmarked lines, round them to the nearest whole.

**Day 2**

Multiply and divide numbers by 10 and 100. Find missing numbers that have been multiplied or divided by 10 or 100 to give the stated answer.

**Day 3**

Identify the input or output in function machines that multiply or divide by 10 or 100.

### Choose methods for add/subt problems

**Day 1**

Add and subtract multiples, then near multiples of 10, 100 and 1000.

Add and subtract near multiples of 10, 100 and 1000.

**Day 2**

Choose at least 2 mental additions, 2 mental subtractions, 2 written additions and 2 written subtractions to work out. (4-digit numbers +/- 3 or 4-digit numbers.)

**Day 3**

Read and addition and subtraction word problems.

Solve multi-step word problems.

### Use place value in calculations

**Day 1**

Locate 4-digit numbers on a number line.

Identify which 4-digit numbers are marked on a landmarked number line.**Day 2**

Use place value to add and subtract with 4-digit numbers.

### Decimal/fraction equivalents, 10/100ths

**Day 1**

Write the fraction and equivalent decimal of the shaded part of 10 by 10 grids.

**Day 2**

Find answers for and missing numbers in decimal place value addition and subtractions.

### Column subtraction, 3- & 4-digit numbers

**Day 1**

Use column subtraction to subtract pairs of 3-digit numbers, watching out for one or two that would be more efficiently solved using counting up.

**Day 2**

Column subtraction of 3-digit numbers.

Colum**n subtraction of 4-digit numbers.**

**Day 3**

Column subtraction of 4-digit numbers.