15
*
25
20
10
3 + 3 + 3
*
9
12 - 7
5
Joy is holding 10 marbles in 1 hand and 10 marbles in the other hand.
How many marbles does she have in all?
Joy is holding 20 marbles in all.
47
57
29
19
4 + 5 + 6
15
13 - 10
*
3
Ted has 4 boxes with 10 pencils in each box.
How many pencils does he have altogether?
Ted has 40 pencils altogether.
29
39
57
*
47
5 + 5 + 8
18
19 - 13
6
Sue is writing the number 34 on a place value chart.
She cannot remember if she has 4 tens and 3 ones or 3 tens and 4 ones.
Use a place value chart to show how many tens and ones are in 34.
Use a drawing and words to explain this to Sue.
Tens : 3
Ones: 4
73
83
109
99
7 + 7 + 3
*
17
18 - 5
Lisa has 3 boxes of 10 crayons, as well as 5 extra crayons.
Sally has 19 crayons.
Sally says she has more crayons. Lisa disagrees.
Who is right?
Lisa because she has 35 crayons.
*
100
110
129
*
119
10 + 10 + 6
26
20 - 16
*
4
Lee has 4 pencils and buys 10 more.
Kiana has 17 pencils and loses 10 of them.
Who has more pencils now?
Lee because he has 14 pencils and Kiana has 7.