Are the parts equal?
Today I can tell whether parts are equal or unequal by checking they match.
A Look back3 min
- 1.
Count the blocks. How many are there?
- 2.
Count on in 2s from 10: 10, 12, 14,
- 3.
47 74
B Watch me, then you4 min
Sam folds a paper rectangle in half. Are the two parts equal?
The two parts look the same size.
Fold one half over the other and check the edges meet.
They meet exactly, so the parts are equal.
- 1.
This circle is split into 4 parts. Are the parts equal or unequal?
equalunequal
C Your turn6 min
Look at each shape or bar. Are the parts equal or unequal?
- 1.
This rectangle is split into 4 parts. Are the parts equal or unequal?
equalunequal - 2.
This circle is split into 2 parts. Are the parts equal or unequal?
equalunequal - 3.
A bar of 6 squares is cut into two parts of 3 squares. Are the parts equal or unequal?
equalunequal - 4.
A bar of 7 squares is cut into parts of 2 and 5 squares. Are the parts equal or unequal?
equalunequal
Say it out loud: How did you check? What would you look at first?
D Spot the mistake3 min
- 1.
This bar of 10 is cut into parts of 4 and 6. Are the two parts equal or unequal?
equalunequal
E Think deeper3 min
- 1.
Draw a square cut into 4 equal parts. Then draw one cut into 4 unequal parts. How can you tell which is which?