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Cogito

Grade 1 Math · Chapter 4 · Lesson 7

Practice Worksheet

Counting to Twenty and Back

Start anywhere and keep going, forwards or backwards.

10 problems · about 11 minutes · 1.NBT.A.1

NameDate

Figure — use these to answer the problems

Pick a square, then hop forwards and backwards from it.

Marker12

Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

4 problems

From “One More, One Less to Twenty”
One more than 11?
Answer
From “Breaking Teen Numbers Apart”
12 is 10 and what?
Answer
From “Writing Teen Numbers”
In 16, how many ones are there?
Answer
From “Saying It the Ten Way”
Ten five is which number?
Answer

Warm Up

Straightforward practice. Get the method working first.

3 problems

What comes after 18?
Answer
Count back 1 from 12.
Answer
Count on 2 from 16. Where do you land?
Answer

Build It Up

The same ideas with more to keep track of.

1 problem

Count back 2 from 15. Where do you land?
Answer

Stretch Yourself

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

2 problems

Count on 3 from 11. Where do you land?
Answer
Countdown
Ben counts back from 14. What number comes after 13?
Answer