Count Collections of Dimes and Pennies

Students count the value of a collection containing dimes and pennies by skip-counting by 10s for dimes and then adding pennies by ones.

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Grade 2 · Money · question 1 of 3

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12 rungs. A star at the top.

Worth how many cents?

Your answer:

How it is taught

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Count dimes by 10s first.

Then count on the pennies by 1s.

Read it: Count on from the biggest

Priya has two quarters, a dime and a penny on a tray. Counting them as four cents is tempting. Start with the biggest coin instead.

Start at the biggest coins: twenty-five, then fifty.
Count on the dime from fifty: sixty.
Count on the penny and name the total: 61c.

Counting four coins as four cents works if they are pennies, but it is wrong the moment a quarter is in the pile.

Two quarters make fifty at a glance, so you start from a number you already trust and only count on the small coins.

The dime adds ten and the penny adds one, so fifty, sixty, sixty-one is the money, not the number of coins.

Count on from the biggest coin; each coin adds what it is worth, not one.

Counting the four coins as four cents, because there are four of them.

A quarter is twenty-five, not one. Start at fifty, then sixty, then sixty-one.

A quarter is 25c, a dime 10c, a nickel 5c and a penny 1c. How many cents is 5c + 1c? — 6. Count on from the biggest: 5, 6.

3 dimes + 4 pennies

Today we'll count money. We have three dimes and four pennies. How much is that all together?

Grade 2 · Skip-count by 10s, then count on by 1s

A dime is worth ten cents. A penny is worth one cent. Let's line them up.

Start with the dimes. Count by tens — ten cents.

Next dime — twenty cents.

And one more dime — thirty cents.

All the dimes make thirty cents. Now we'll count the pennies on by ones.

Thirty plus one — thirty-one cents.

Thirty-two cents.

Thirty-three cents.

Thirty-four cents.

Three dimes and four pennies make thirty-four cents. Great counting!

Now you try. Add up these dimes and pennies. How much money?

What you see

While they climb, your page writes one true line to ask about tonight, and a short note each Sunday.

MayaGrade 3 · Mathematics

Did you know?

A chessboard has 64 squares — share them out between the 8 rows and each row holds exactly 8.

Today’s goal: 1 star — one skill mastered, every rung of its ladder climbed
Climbing now: Divide within 100

An example student.

MayaGrade 3 · Mathematics

Maya earned 2 stars this week — Interpret multiplication as equal groups, which took 6 answers over 3 days before its star landed 3 days ago and Multiply by 6, 7, 8 and 9. Next up: Divide within 100.

An example week.

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