Sample questions
A few samples from this topic — try one, then show the answer.
Add Decimals to Hundredths Without Regrouping
What do you get when you add 0.30 + \; + \; + 7.65 ? Show answer
Write Equivalent Decimals with Zeros
Choose <, >, or = for the blank: 4.88 ___ 4.8800
Show answer
Round Decimals to Tenths and Hundredths
What is 61.3830 rounded to the nearest hundredth?
Show answer
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A worked example
What do you get when you add 0.30 + \; + \; + 7.65 ?
Set up the addition vertically: 0.30 + 7.65 \\ \begin{array}{cr} & 0.30 \\ + & 7.65 \\ \hline \end{array} + 0.30 7.65 Hundredths → 0 + 5 = 5 \to 0 + 5 = 5 \\ → 0 + 5 = 5 Tenths → 3 + 6 = 9 \to 3 + 6 = 9 \\ → 3 + 6 = 9 Ones → 0 + 7 = 7 \to 0 + 7 = 7 → 0 + 7 = 7 The sum is 7.95
Complete addition: 0.30 + 7.65 7.95 \\ \begin{array}{cr} & 0.30 \\ + & 7.65 \\ \hline & 7.95 \end{array} + 0.30 7.65 7.95
Skills covered
Connect Tenths and Hundredths
Model Mixed Tenths and Hundredths
Compare and Change Decimal Models
Write Equivalent Decimals with Zeros
Write and Read Expanded Decimals to Hundredths
Complete Expanded Decimals to Hundredths
Round Decimals to Tenths and Hundredths
Read and Reason with Hundredths on Number Lines
Reason About Points Between Marks on a Number Line
Read Tenths Greater Than 1 on Number Lines
Read Hundredths Greater Than 1 on Number Lines
Add Decimals to Hundredths Without Regrouping
Subtract Decimals to Hundredths Without Regrouping
Add Decimals with Regrouping
Solve One-Step Decimal Addition and Subtraction Problems
Multiply and Divide by 10, 100, and 1,000
For parents & teachers
Your child extends tenths to hundredths — reading mixed tenths-and-hundredths models, writing equivalent decimals with trailing zeros, using expanded form, rounding, adding and subtracting with regrouping, and multiplying and dividing by 10, 100 and 1,000.
Hundredths and place-value structure: equivalence between tenths and hundredths on the grid, trailing-zero equivalence (2.0 = 2.00), expanded form to hundredths in both directions, rounding to tenths and hundredths, hundredths on unlabelled number-line ticks, values beyond the unit interval, addition and subtraction to hundredths with and without regrouping, one-step word problems, and decimal-point shifts by powers of 10.