Cogito
Grade 4 Math · Chapter 3 · Lesson 1
Dividing by One Digit
Share the biggest units first.
10 problems · about 15 minutes · 4.NBT.B.6
Figure — use these to answer the problems
Hundreds
4
Tens
8
Ones
6
Warm-Up Review
From earlier lessons. Loosen up before the new work.
3 problemsFrom “Estimating Products”
Estimate 38 × 21 to the nearest ten.
AnswerFrom “Two-Digit by Two-Digit”
24 × 13 = ?
AnswerFrom “The Area Model and Partial Products”
42 × 8 = ?
Answer
Warm Up
Straightforward practice. Get the method working first.
3 problems738 ÷ 6 = ?
AnswerWhich units do you share first?
- The biggest ones.
- The ones.
672 ÷ 3 = ?
Answer
Build It Up
The same ideas with more to keep track of.
1 problem824 ÷ 4 = ?
Answer
Stretch Yourself
Mixed problems. Work out what kind of question it is before you start.
3 problems954 ÷ 6 = ?
AnswerThe Share Out
936 stickers shared equally among 4 children. How many each?
AnswerstickersThe Boxes
855 pens go equally into 5 boxes. How many per box?
Answerpens