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place value

Adding Tens and Ones

Solve addition and subtraction problems by using place value partitioning.

Subtracting Tens

Solve addition and subtraction problems using groups of ten.

Solve addition and subtraction problems by using place value partitioning.

 

Subtracting Tens and Ones

Solve addition and subtraction problems by using place value partitioning.

Adding Tens

Solve addition and subtraction problems using groups of ten.

Solve addition and subtraction problems by using place value partitioning.

Getting The Point

This unit explores the relationships between decimals and whole numbers and fractions.  A number of representations are used including double number lines, ratio tables and place value tables.  The main objective is to link students’ knowledge of fractions with the decimal system. 

Getting The Point

This unit explores the relationships between decimals and whole numbers and fractions.  A number of representations are used including double number lines, ratio tables and place value tables.  The main objective is to link students’ knowledge of fractions with the decimal system. 

Nine Tiles

Guess and check the solution to a number problem;

Explain the effect of "carry-overs" in addition problems.

How Many Numbers ?

Devise and use problem solving strategies to explore situations mathematically (be systematic, make a list).

Adding Ten Tiles II

Use the numbers facts with digits to solve a problem

Devise and use problem solving strategies to explore situations mathematically (guess and check, be systematic, look for patterns, think, use algebra).

Base 3

Write numbers in base 3

Do arithmetic in base 3

Explain the "links" between base 3 and decimal numbers

Devise and use problem solving strategies to explore situations mathematically (be systematic).


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