Addition
40 + 60
100
40 - 20
20
One part is 12 cm, another part is 15 cm, What is the total length of the path?
27 cm
8 + _____ = 14
6
20 + 30 + 40
90
19 - 7
12
The number on the hundreds place is 5, the number on the tens place is 3 more than the number on the hundreds place. The number on the ones place is 2. What is the number?
9 + 9 = _____
18
345 + 679
1024
67 - 56
11
1 meter = -----------cm?
100 cm
30 , 35, _____, ______, 50.
40, 45
456 + 298 + 506
1260
678 - 549
129
1 yard = ---------------------- feet?
3 feet
125 + ______ = 150
25
5670 + 9379
15049
457 - 368
89
I want to measure the length of the house.
choose the unit:
Fewer centimeter
Fewer yards
Fewer yards
230 - ________ = 130
100