15, 16, ____, _____, _____, 20
15, 16, 17, 18, 19, 20
2 tens ____ 16 ones
2 tens > 16 tens
10 more than 19 is _____
29
Solve using picture, number bonds or the arrow way.
15 + 6=
21
Mary had 15 toys to put away. She already put some away. She has 11 more toys to put away. How many toys did she already put away?
Mary already put 4 toys away.
___, 23, ___, 25, ___
22, 23, 24, 25, 26
3 tens 2 ones ____ 1 ten 22 ones
3 tens 2 ones = 1 ten 22 ones
10 less than 19 is ____
9
Solve using picture, number bonds or the arrow way.
30 - 20=
10
Mary has 12 red toy cars and 6 blue toy cars. How many toy cars does she have?
Mary has 18 toy cars.
39, 38, ____, 36, ____, ____
39, 38, 37, 36, 35, 34
29 ones ____ 1 tens 7 ones
29 ones > 1 tens 7 ones
1 more than 19 is ____
20
Solve using picture, number bonds or the arrow way.
27 + 13=
40
Mary was putting away 15 of her toys. Some toys went in the closet. 3 toys went on the shelf. How many toys went in the closet?
12 toys went in the closet.
46, ____, ____, 49, ____
46, 47, 48, 49, 50
11 ____ 2 tens 15 ones
11 < 2 tens 15 ones
1 less than 19 is ____
18
Solve using picture, number bonds or the arrow way.
14 + 18 =
32
Mike says that 27 is the same thing as 1 ten and 17 ones. Sarah says that 27 is the same thing as 27 ones. Are they correct? Explain your thinking with pictures, numbers or words.
They are both correct.
57, 58, ____, ____, ____, 62
57, 58, 59, 60, 61, 62
31 ______ 2 tens 13 ones
31 < 2 tens 13 ones
1 less than 27 is ____
26
Solve using picture, number bonds or the arrow way.
29 + 7 =
36
Lee says that 35 is the same as 2 tens 15 ones, and Maria says that 35 is the same as 1 ten 25 ones. Are they correct? Explain your thinking with pictures, numbers or words.
They are both correct.