Multiply by 7

Practice multiplication facts for 7.

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Multiply by 7

Grade 3 · Multiplication and Division Fluency · question 1 of 3

0 of 12

12 rungs. A star at the top.

7 × 2 =

How it is taught

0:00 of 4:17

Times 7 means seven equal groups.

You may split a factor you know.

Read it: Skip count by fives

You have three trays. Five apples sit on each. Don't count all fifteen — look at the skip: five, ten, fifteen.

See three trays with five apples on each.
Skip count by fives: five, ten, fifteen.
Say three times five is fifteen.

Counting every apple from one works, but fifteen apples take a long time, and you can lose a tray.

Each tray holds the same five apples, so after the first tray you already know the next jump is five more.

Three jumps of five land on fifteen, which is three trays of five without touching every apple.

When trays hold matching amounts, skip count the trays, not every apple.

Adding three and five and saying eight apples in all.

Three trays of five is not three plus five — skip five, ten, fifteen.

2 × 4 = ___ — 8. 2 trays with 4 apples in each: skip-count the trays — 4, 8.

7 × 8

What is seven times eight?

Counting by sevens eight whole times takes a while — let's find a shortcut.

We can split eight into two easier parts: five and three.

First, seven times five. Count by sevens five times: seven, fourteen, twenty-one, twenty-eight, thirty-five.

Next, seven times three. Count by sevens three times: seven, fourteen, twenty-one.

Since eight is five plus three, seven times eight is the same as seven times five, plus seven times three.

Now add the two parts together: thirty-five plus twenty-one.

Thirty-five plus twenty-one is fifty-six.

So seven times eight equals fifty-six. Splitting a hard fact into two easy ones made it simple!

Grade 3 · Worked example: 7 × 8

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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