Place Value
27= __ tens __ones
27= _2_ tens _7_ones
Greater than (>), less than (<), or equal too (=)?
12 __ 15
12 < 15
10, 11, __, 13
10, 11, _12_, 13
6 + 3 =__
6 + 3 = _9_
13 - 4= __
13 - 4= _9_
34= __ tens __ones
34= _3_ tens _4_ones
Greater than (>), less than (<), or equal too (=)?
18 __ 18
18 = 18
17,18,__,20
17,18,_19_,20
8 + 9= _17_
15 - 7= __
15 - 7= _8_
What number has 4 tens and 2 ones?
42
Greater than, less than or equal too?
23 __ 17
23 > 17
23 is greater than 17.
20+20=___
20+20=_40_
13 + 5 = ___
13 + 5 = _18_
17 - 8= __
17 - 8= _9_
What number has 1 ten and 8 ones?
18
Which number is bigger? Explain why.
29 or 31
31
(31 has 3 tens and 29 has 2 tens, 3 is bigger than 2).
10 + __= 40
10 + _30_= 40
15 + 4 = __
15 + 4 = _19_
19 - 9= __
19 - 9= _10_
Which is bigger?
36 or 63?
Why?
63
(63 has 6 tens and 36 has 3 tens, 6 tens is bigger than 3 tens).
Fill in the blank: 17 < ___
a) 14 b) 19 c) 11
b) 19
17 < _19_
___ + ___ = 30
_15_ + _15_ = 30
_10_ + _20_ = 30
(answers may vary)
9 + 11 = __
9 + 11 = _20_
20 - 13 = __
20 - 13 = _7_