Cogito
Grade 5 Math · Chapter 2 · Lesson 2
Dividing by Two Digits
Guess how many fit, then check.
10 problems · about 17 minutes · 5.NBT.B.6
Figure — use these to answer the problems
6 × 12 = 72
Warm-Up Review
From earlier lessons. Loosen up before the new work.
2 problemsFrom “Multiplying Large Numbers”
124 × 12 = ?
AnswerFrom “Rounding Decimals”
Round 7.63 to the nearest whole number.
Answer
Warm Up
Straightforward practice. Get the method working first.
4 problems552 ÷ 24 = ?
AnswerWhat does 624 ÷ 24 ask?
- How many 24s fit into 624.
- What is 624 take away 24.
360 ÷ 15 = ?
Answer468 ÷ 12 = ?
Answer
Build It Up
The same ideas with more to keep track of.
2 problems798 ÷ 21 = ?
AnswerIs it a problem if your first guess is too small?
- No. It just takes another step.
- Yes.
Stretch Yourself
Mixed problems. Work out what kind of question it is before you start.
2 problemsThe Coach Trip
432 children in coaches holding 36. How many coaches?
AnswercoachesThe Packing
575 books packed 25 to a box. How many boxes?
Answerboxes