一、看图填一填。
1.

$10 + 5 = □$
$15 - 5 = □$
$15 - 10 = □$
2.

$□ + □ = □$
$□ - □ = □$
$□ - □ = □$
1.
$10 + 5 = □$
$15 - 5 = □$
$15 - 10 = □$
2.
$□ + □ = □$
$□ - □ = □$
$□ - □ = □$
答案
1.15 10 5
2.10 7 17 17 7 10
17 10 7
2.10 7 17 17 7 10
17 10 7
二、看图列式并计算。
1.
$□ ◯ □ = □$
(根)
2.
$□ ◯ □ = □$
3.
$□ ◯ □ = □$
(个)
4.
$□ ◯ □ = □$
(个)
1.
$□ ◯ □ = □$
2.
$□ ◯ □ = □$
3.
$□ ◯ □ = □$
4.
$□ ◯ □ = □$
答案
1.6+11 17 2.18−2 16
3.15−3 12 4.10+6 16
3.15−3 12 4.10+6 16
三、算一算。
$10 + 6 = □$
$12 + 5 = □$
$13 + 6 = □$
$16 - 10 = □$
$17 - 10 = □$
$19 - 6 = □$
$16 - 6 = □$
$17 - 5 = □$
$19 - 10 = □$
$10 + 6 = □$
$12 + 5 = □$
$13 + 6 = □$
$16 - 10 = □$
$17 - 10 = □$
$19 - 6 = □$
$16 - 6 = □$
$17 - 5 = □$
$19 - 10 = □$
答案
16 17 19
6 7 13
10 12 9
6 7 13
10 12 9
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