➕ 5th Grade Math · Unit 4

Decimal Operations

21 short narrated lessons in 4 chapters, each with pictures, a quiz with a hint and a second try, and an explanation for every answer.

Standards: 5.NBT.B.7 5.MD.A.1

5th Grade Math · 8 units

What your child will learn

Adding Decimals with GridsAdd decimals to hundredths using hundred grids and place value.
Line Up the Decimal PointsAdd and subtract decimals by lining up the decimal points so like places are together.
Subtracting DecimalsSubtract decimals to hundredths, writing zeros as placeholders and regrouping when needed.
Shopping with DecimalsSolve word problems that add and subtract decimals, like making change.
Adding and Subtracting Decimals Review ReviewReview adding and subtracting decimals to hundredths.

Decimal Times a Whole NumberMultiply a decimal by a whole number using repeated addition and place value.
Decimal Times a DecimalMultiply two decimals in tenths using an area model on a hundred grid.
Where Does the Decimal Point Go?Place the decimal point in a product by estimating and by counting decimal places.
Multiplying Decimals in Real LifeSolve word problems that multiply decimals, like the cost of two point five pounds of apples.
Multiplying Decimals Review ReviewReview multiplying decimals to hundredths.

Sharing Decimals EquallyDivide a decimal by a whole number by sharing ones, tenths and hundredths equally.
How Many Tenths Fit?Divide a whole number by a decimal like zero point five by asking how many tenths fit.
Decimal Divided by a DecimalDivide one decimal by another by thinking of both in hundredths.
Solving Division ProblemsSolve word problems that divide with decimals and check the answer with multiplication.
Dividing Decimals Review ReviewReview dividing with decimals to hundredths.

Converting Metric UnitsConvert between metric units, like meters to kilometers, by multiplying or dividing by powers of ten.
Feet, Yards, Pounds and MoreConvert between inches, feet, yards and miles, and between ounces, pounds and tons.
Cups, Pints, Quarts and GallonsConvert between cups, pints, quarts and gallons.
Measurement Word ProblemsSolve multi-step real-world problems that need a measurement conversion.
Converting Measurements Review ReviewReview converting units within one measurement system.
Unit 4 Test: Decimal OperationsShow what you learned in the whole unit (Adding and subtracting decimals, Multiplying decimals, Dividing decimals, Converting measurements) by answering mixed questions.

From the lesson “Adding Decimals with Grids”

The grid shows 0.24 in green and 0.51 in yellow. What is the sum?

Show the answer

0.75. There are 24 green and 51 yellow squares, 75 in all, so 0.24 + 0.51 = 0.75.

Hint kids see after a wrong try: “Count all the shaded squares.”

Narrated lessons, pictures and quizzes for every grade from K to 8. Works offline.