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Cogito

Grade 2 Math · Chapter 3 · Lesson 3

Practice Worksheet

Skip-Counting by 5s, 10s, and 100s

Count in jumps instead of one at a time.

10 problems · about 12 minutes · 2.NBT.A.2

NameDate

Figure — use these to answer the problems

Set every jump to 5 and watch the equal steps.
0102030405060+ 5+ 5+ 5

0 + 5 + 5 + 5 = 15

Start at0
Jump 15
Jump 25
Jump 35
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

2 problems

  1. From “Building Numbers to 1,000”

    6 hundreds, 0 tens and 3 ones is which number?

    Answer

  2. From “A New Unit: The Hundred”

    How many tens are in one hundred?

    Answer

Warm Up

Straightforward practice. Get the method working first.

4 problems

  1. Counting by 5s: 40, 45, ?

    Answer

  2. When you count by hundreds, which digit changes?

    • The hundreds digit.
    • The ones digit.

  3. Counting by 5s: 25, 30, 35, ?

    Answer

  4. Counting by 10s: 460, 470, 480, ?

    Answer

Build It Up

The same ideas with more to keep track of.

2 problems

  1. Counting by 100s: 130, 230, 330, ?

    Answer

  2. Counting by 10s: 390, ?

    Answer

Stretch Yourself

Mixed problems. Work out what kind of question it is before you start.

2 problems

  1. Counting Money

    Leo counts 5p coins: 5, 10, 15. What comes next?

    Answer

  2. Stacks of Hundreds

    Ana counts by hundreds: 200, 300, 400. What comes next?

    Answer