Addition
3 + 1 = ____
2 - 1 = ____
1
2+2+2+2+2=
10
I have 3 sides.
I am a ______
triangle
10 + 2 = ____
9 - 6 = ____
3
3 x 2 =
6
The teacher's whiteboard is (longer/shorter) than 1m.
longer
8 + 4 = ____
12
11 - 3 = ____
8
6 x 5 =
30
The classroom door is (shorter/taller) than 1m.
taller
200 + 7 = ____
207
185 - 2 = ____
183
9 x 10 =
90
My eraser is (lighter/heavier) than 1kg.
lighter
350 + 100 = ____
450
270 - 10 = ____
260
15, 20, 25, ___, 35
30
1h = ___ min
60